Infobox Disease Name PAGENAME Image AVnodalreentrant tachycardia.png Caption AVnodalreentranttachycardia ... eMedicine mult eMedicine2 ped 2535 MeshID D013611 distinguish Atrioventricular reentranttachycardiaAVnodalreentranttachycardia AVNRT , or atrioventricular nodalreentranttachycardia , is a type of tachycardia fast rhythm of the heart . It is a type of supraventricular tachycardia SVT , meaning that it originates from a location within the heart above the bundle of His . AVnodalreentranttachycardia is the most common regular supraventricular tachycardia . It is more common in women than ... WPW syndrome or AVreentranttachycardia atrioventricular re entrant tachycardia AVRT . In AVNRT ... out, can potentially cure the patient of AVNRT. Pacemaker mediated Tachycardia A separate form of AVnodalreentranttachycardia is pacemaker mediated tachycardia PMT , a possible complication of dual ... the AV node and exhibit electrophysiologic properties similar to AVnodal tissue. Accessory pathways ... or usual AVNRT utilizes the slow AVnodal pathway as the anterograde limb of the circuit and the fast AVnodal pathway as the retrograde limb. The reentry circuit can be reversed such that the fast AVnodal pathway is the anterograde limb and the slow AVnodal pathway is the retrograde limb. This, not surprisingly ... of AVNRT that utilizes the slow AVnodal pathway as the anterograde limb and left atrial fibers that approach ... next to the AV node atrioventricular node . The circuit usually involves two anatomical pathways ... which is usually targeted for ablation is located inferiorly and slightly posterior to the AV ... just superior and posterior to the AV node. These pathways are formed from tissue that behaves very much like the AV node, and some authors regard them as part of the AV node. The fast and slow pathways ... of alcoholic beverage alcohol or caffeine , or other factors. In some cases, the onset of the tachycardia ... tachycardia , ventricular tachycardia and tachyarrhythmias related to Wolff Parkinson White syndrome ... more details
onset atrial fibrillation tends to present with rates between 100 and 150 beats per minute. AVnodalreentranttachycardiaAVnodalreentranttachycardia AVNRT is the most common reentranttachycardia ... cardioversion . Definitive care may include catheter ablation . AVreentranttachycardiaAVreentranttachycardia AVRT requires an Wolff Parkinson White syndrome accessory pathway for its ... tachycardia originating in the AV junction. It tends to be a regular, narrow complex tachycardia and may ...SignSymptom infobox Name Tachycardia Image Tachycardia ECG paper.svg Caption ECG showing sinus tachycardia ... D013610 Tachycardia comes from the Greek words tachys rapid or accelerated and kardia of the heart . Tachycardia typically refers to a heart rate that exceeds the normal range for a resting heart rate ... age. Tachycardia for different age groups is as listed below ref Custer JW, Rau RE, eds. Johns Hopkins ... through http emedicine.medscape.com article 804613 overview eMedicine Pediatrics, Tachycardia . ref ... lead electrocardiogram showing a ventricular tachycardia VT An electrocardiogram ECG is used to classify the type of tachycardia. They may be classified into narrow and wide complex based on the QRS complex ... Narrow complex Sinus tachycardia , which originates from the Sino atrial node sino atrial SA node , near the base of the superior vena cava . Atrial fibrillation Atrial flutter AVnodalreentranttachycardia Wolff Parkinson White syndrome Accessory pathway mediated tachycardia Atrial tachycardia Multifocal atrial tachycardia Junctional tachycardia Wide complex Ventricular tachycardia , any tachycardia which originates in the Ventricle heart ventricles . Any narrow complex tachycardia combined with a problem ... can be further classified as either regular or irregular. Sinus Main Sinus tachycardia Anchor Reflex tachycardia The body has several feedback mechanism s to maintain adequate blood flow ... reflex tachycardia. This can happen in response to a decrease in blood volume through ... more details
wiktionary Reentrant or re entrant can refer to Reentrant subroutine in computer programming Reentrant mutex in computer science Reentry neural circuitry in neuroscience Salients, re entrants and pockets in military tactics Reentrant tuning in music Convex and concave polygons Concavity in a polygon See also Reentry Reentrant dysrhythmia , a type of cardiac arrhythmia disambig ... more details
Junctional tachycardia is a form of supraventricular tachycardia characterized by involvement of the AV node . ref DorlandsDict nine 000957463 junctional tachycardia ref It can be contrasted to atrial tachycardia . It is a tachycardia associated with the generation of impulses in a locus in the region of the atrioventricular node. It can be associated with digitalis toxicity. ref name urlJunctional Rhythm Overview eMedicine cite web url http emedicine.medscape.com article 155146 overview title Junctional Rhythm Overview eMedicine format work accessdate 2008 12 21 ref It may be due to coronary artery disease and conduction system disease. It can appear similar to atrioventricular nodalreentranttachycardia . ref name pmid17916156 cite journal author Srivathsan K, Gami AS, Barrett R, Monahan K, Packer DL, Asirvatham SJ title Differentiating atrioventricular nodalreentranttachycardia from junctional tachycardia novel application of the delta H A interval journal J. Cardiovasc. Electrophysiol. volume 19 issue 1 pages 1 6 year 2008 month January pmid 17916156 doi 10.1111 j.1540 8167.2007.00961.x url http www3.interscience.wiley.com resolve openurl?genre article&sid nlm pubmed&issn 1045 3873&date 2008&volume 19&issue 1&spage 1 ref One form is junctional ectopic tachycardia . See also Junctional rhythm References reflist Heart diseases Category Cardiac dysrhythmia medicine stub ... more details
common types of SVT are Atrioventricular reentranttachycardia and AVnodalreentranttachycardia ... an atrioventricular source junctional tachycardiaAVnodalreentranttachycardia AVNRT or junctional ..., A fib. Atrial Flutter is also not necessarily a tachycardia unless the AV node permits a ventricular response greater than 100 beats per minute. AVnodalreentranttachycardia AVNRT involves a reentry ... in early 2006. See also TachycardiaAVnodalreentranttachycardia AVNRT Inappropriate sinus tachycardia ... a Sinoatrial node sinoatrial source Sinoatrial nodalreentranttachycardia SNRT SVTs from an Atrium .... SVT due to re entry such as atrioventricular nodal reentry tachycardia and atrioventricular reentry tachycardia , often present with a sudden, almost immediate onset ref DorlandsDict nine 000957466 ... AV reciprocating tachycardia AVRT visible or concealed including Wolff Parkinson White syndrome ... SVT. Sinoatrial node reentranttachycardia SANRT is caused by a cardiac arrhythmia origin of impulse ... nodal blocking maneuvers. In this circumstance, transient AV block is still useful, as it will often unmask the underlying rhythm abnormality. AVnodal blocking can be achieved in at least three different ways Physical maneuver A number of physical maneuvers cause increased AVnodal block, principally ... scan.jpg thumb Termination of PSVT following adenosine Adenosine , an ultra short acting AVnodal blocking ... including simple AVnodal blocking agents like beta blockers and verapamil , as well as anti arrhythmics ...Infobox disease Name Supraventricular tachycardia Image SVT Lead II 2.JPG Caption Lead II electrocardiogram ... thumb A 12 lead ECG showing PSVT Supraventricular tachycardia SVT is a general term that refers to any ... tachycardias can be contrasted to the potentially more dangerous ventricular tachycardia s rapid rhythms that originate within the Ventricular tachycardia ventricular tissue. Although technically an SVT ... cause of SVT, namely Paroxysmal supraventricular tachycardia PSVT . SVT is most commonly due ... more details
Nodal can refer to Nodal, a protein encoded by the gene NODAL and responsible for left right asymmetry Nodal software , a novel music composition program disambig ... more details
PBB geneid 4838 Nodal is a protein that in humans is encoded by the NODAL gene . ref name pmid9354794 ... pmc doi 10.1038 ng1197 305 ref ref name entrez cite web title Entrez Gene NODALnodal homolog mouse ... right asymmetry in the body of vertebrate s is established by a process that uses the Nodal and Lefty protein Lefty proteins Nodal is expressed in the left side of the organism in early development ... month February pmid 11836504 doi 10.1038 nrg732 url issn ref An ortholog of Nodal was recently found ... journal author Grande C, Patel NH title Nodal signalling is involved in left right asymmetry in snails ... 2661027 doi 10.1038 nature07603 url issn ref Nodal signaling is important very early in Developmental ... of the zebrafish nodal related genes squint and cyclops in patterning of mesendoderm journal Development volume 130 issue 9 pages 1837 51 year 2003 month May pmid 12642489 doi url issn ref A nodal knockout ... for nodal in the formation and maintenance of the primitive streak in the mouse journal Development ... Zhou 1993 cite journal author Zhou X, Sasaki H, Lowe L, Hogan BL, Kuehn MR title Nodal is a novel TGF ... and the Activin receptor ALK4 mediate signaling by Nodal proteins during vertebrate development ... doi 10.1101 gad.201801 url ref Nodal is widely distributed cytokine . ref cite book authors Chen, Hsu ... The presence of Nodal is not only limited to vertebrates , it is also known to be conserved in other ... have a copy of nodal. ref name Chea 2005 cite journal author Chea HK, Wright CV, Swalla BJ title Nodal signaling and the evolution of deuterostome gastrulation journal Dev. Dyn. volume 234 issue ... Schier 2009 cite journal author Schier AF title Nodal morphogens journal Cold Spring Harb Perspect ... url issn ref Although mouse and human only have one nodal gene, the zebra fish contain three nodal paralogs squint , cyclops and southpaw, and the frog five xnr1,2,3,5 and 6 . Even though the zebra fish Nodal homologs are very similar, they have specialized to perform different roles ... more details
Image Ukulele1 HiRes.jpg thumb Soprano ukulele, an instrument which is almost always tuned in reentrant fashion A reentrant tuning is a tuning of a stringed instrument where the strings or more properly the course music courses on coursed instruments are not ordered from the lowest pitch to the highest pitch or vice versa . A break in an otherwise ascending or descending order of string pitches is known as a reentry . Most common reentrant tunings have only one reentry In the case of the soprano ... reentrant provided that the principal string of each course is ordered from lowest to highest. Ukulele ... instrument normally tuned in reentrant fashion. All ukuleles other than the baritone are most commonly tuned in reentrant fashion. These conventional reentrant tunings are sometimes known as high 4th tunings . Non reentrant tunings, also known as low 4th tunings , exist for these instruments. In general ... Yepes Tuning.jpg thumb Narciso Yepes reentrant tuning for the ten string guitar details Ten string ... designed for a specific reentrant tuning invented by Narciso Yepes , now called the Modern tuning. Both this and other reentrant tunings, such as the Marlow tunings, are now used, as well as non reentrant ..., such as ten string electric and jazz guitars. Cuatro Image Cuatro tuning.jpg thumb Traditional reentrant ... , and not all of which have four strings. The traditional tuning is reentrant, but with the reentry ... are very different in tone. More modern tunings of the Venezuluelan quatro are non reentrant. Tenor guitar Image Tenor guitar reentrant tuning.png thumb Tenor guitar reentrant tuning details Tenor ... a relatively small number of reentrant tunings. One example of a reentrant tuning for tenor guitar ... four and is normally tuned higher than any of the other four, so technically this is a reentrant tuning ... string, and is rarely if ever tuned in reentrant fashion. References See also the detailed articles on particular instruments. references DEFAULTSORT Reentrant Tuning Category Musical techniques ... more details
include ashman phenomenon ashman beats and AVreentranttachycardia antedromic atrioventricular re entry ...Infobox Disease Name Ventricular tachycardia Image Lead II rhythm ventricular tachycardia Vtach VT.JPG ... tachycardia V tach or VT is a tachycardia , or fast heart rhythm, that originates in one of the left ... sudden death . Anchor Monomorphic ventricular tachycardia Classification Image Electrocardiogram of Ventricular ... tachycardia VT Ventricular tachycardia can be classified based on its morphology Monomorphic ventricular tachycardia means that the appearance of all the beats match each other in each lead of a surface electrocardiogram ECG . RVOT tachycardia is a type of monomorphic ventricular tachycardia originating ... of this type of tachycardia on an ECG. Polymorphic ventricular tachycardia , on the other hand, has ... than 100 beats per minute constitute a ventricular tachycardia. If the fast rhythm self terminates within 30 seconds, it is considered a non sustained ventricular tachycardia . If the rhythm lasts more than 30 seconds, it is known as a sustained ventricular tachycardia even if it terminates on its own after 30 seconds . A third way to classify ventricular tachycardia is on the basis of its ... VT or to VF. Less common is ventricular tachycardia which occurs in individuals with structurally normal hearts. This is known as idiopathic ventricular tachycardia and in the Monomorphic form ... ventricular tachycardia occurs in younger individuals diagnosed with VT. While the causes of idiopathic ... of diverse factors. Pathophysiology The morphology of the tachycardia depends on its cause. In monomorphic ventricular tachycardia, all the beats look the same because the impulse is either being ... the ventricle. The most common cause of monomorphic ventricular tachycardia is myocardial scarring ..., so there is a potential circuit around the scar that results in the tachycardia. This is similar ... tachycardia . Other rarer congenital causes of monomorphic VT include right ventricular dysplasia ... more details
Wiktionary AVavAV and variants may refer to TOC right Companies and organizations Avaya , a company listed on the New York Stock Exchange with symbol AV the IATA code for the airline Avianca Aston Villa F.C. , an English football club AV Akademikerverlag GmbH & Co. KG , an imprint of the German group VDM Publishing Entertainment Adult video AV idol , a type of Japanese porn star A.V. film , a 2005 Hong Kong film directed by Pang Ho Cheung Audio visual , a band Military AV, the designation for seaplane tender in the United States Navy s ship classification system Aviation , a military acronym or shorter version AeroVironment , Inc., makers of Unmanned Aircraft Vehicles and Unmanned Aircraft Systems for the military Places Anguilla , FIPS 10 4 code and obsolete NATO digram Antelope Valley , a desert region of northern Los Angeles County, California, in the US Province of Avellino , a province of Italy in the ISO 3166 2 IT code Avalon, New Jersey Avalon, NJ , a beach town in southern New Jersey Science Gold , in the field of numismatics from the Latin spelling of Aurum, Avrvm Annular velocity , in Fluid dynamics Apparent viscosity , in Fluid dynamics atrioventricular disambiguation or arteriovenous, various meanings in medicine A V, an A type main sequence star Bavarian A V , a 1853 steam locomotive model Technology Anti virus , antivirus software Audio and video connector , a cable between two devices Aperture priority , Av Aperture value is a common abbreviation on a camera mode dial Access violation , a common computer software error Voting Alternative Vote , a ranking system Approval voting , a non ranking system America Votes , an organisation Other uses Authorised King James Version of the Bible Avenue, see Road Ave. is more frequent AV cyclecar Av month , a month in the Hebrew ... dabprefixes disambiguation Category Initialisms cs AV da AV de AV es Av desambiguaci n eo Av fa AV fr AV ko AV it AV sw AV lt AV nl AV ja AV no AV pt AV ro AV sl AV fi Av sv AV th zh AV ... more details
Unreferenced auto yes date December 2009 technical date December 2011 In computer science , a reentrant mutex is a mutual exclusion , recursive Lock computer science lock mechanism. In a reentrant mutex, the same thread can acquire the lock multiple times. However, the lock must be released the same number of times or else other threads will be unable to acquire the lock. It has some similarities to a counting semaphore programming semaphore . Recursive locks also called recursive thread mutex are those that allow a thread to recursively acquire the same lock that it is holding. Note that this behavior is different from a normal lock. In the normal case if a thread that is already holding a normal lock attempts to acquire the same lock again, then it will deadlock. Recursive locks behave exactly like normal locks when another thread tries to acquire a lock that is already being held. Note that the recursive lock is said to be released if and only if the number of times it has been acquired matches the number of times it has been released by the owner thread. Many operating systems do not provide these recursive locks natively. Hence, it is necessary to emulate the behavior using primitive features like mutexes locks and monitor synchronization condition variables . A big form of criticism on recursive mutexes is that when used in combination with condition variable s, the Semantics of programming languages semantics are not clearly defined. Say, the condition variable would not recursively unlock the mutex, the system could run into a deadlock. On the other hand, if the mutex would be recursively unlocked, it would unlock all critical sections, even though simple inspection of code wouldn t reveal this. Therefore several implementations, such as the mutexes and condition variables used inside the FreeBSD kernel, don t allow waiting on a condition variable if the calling ... that allow multi core programming, where mutexes and condition variables fail. DEFAULTSORT Reentrant ... more details
multiple issues no footnotes February 2012 orphan February 2012 unreferenced February 2012 wikify February 2012 Reentrant superconductivity is an effect observed in systems that lie close to the boundary between ferromagnetic and superconducting. By its very nature normal superconductivity condensation of electrons into the BCS ground state cannot exist together with ferromagnetism condensation of electrons into the same spin state, all pointing in the same direction . Reentrance is when while changing a continuous parameter, superconductivity is first observed, then destroyed by the ferromagnetic order, and later reappears. An example is the changing of the thickness of the ferromagnetic layer in a bilayer of a superconductor and a ferromagnet. At a certain thickness superconductivity is destroyed by the Andreev reflection Andreev reflected electrons in the ferromagnet, but if the thickness increases, this effect disappears again. Another example are materials with a curie temperature below the superconducting transition temperature. When cooling, first superconducting order appears in the electron system. Cooling further, the ferromagnetic order energetically wins over the superconducting order in the electron system. At even lower energy superconductivity reenters, and a a nonuniform magnetic order appears. there is ferromagnetic order on short length scales, but superconducting order on large length scales. Category Superconductivity ... more details
about the Hebrew calendar Hebrew month the abbreviation AV or aVAV disambiguation refimprove date February 2011 Hebrew month letname Av previouslink Tammuz Hebrew month previousletter Tammuz nextlink ... height 1em Francesco Hayez , The Second Temple in flames , 1867. The 9th of Av, Tisha B Av , is a Ta ... Holy Temple was set aflame. br br div Av lang he , small Hebrew language Modern Hebrew Standard small Av small Tiberian vocalization Tiberian small Unicode from Akkadian language Akkadian abu ... month which is not named in the Bible. It is a summer month of 30 days. Av usually occurs ... we enter the month of Av, our joy is diminished . This is because the darkest events in Jewish history ... in Tisha B Av , the 9th of Av. However, there is a minor and largely unknown holiday during the full moon of the month called Tu B Av which was, in ancient times, one of the happiest days of the year. The month is also sometimes referred to as Menachem Av lang he Av of Comfort or Comforter ... before Rosh Chodesh and following Tisha B Av. Holidays in AvAv 9 Fast of Tisha B Av fast day br Av 15 Tu B AvAv in Jewish history 1 Av 1273 BCE Death of Aaron small The High Priest Aaron , who ... 1 Av 513 BCE Ezra and Followers Arrived in Israel small Following their journey from Babylon , Ezra ... . small 5 Av 1572 Death of Rabbi Isaac Luria small Rabbi Isaac Luria Ashkenazi, known as Ari HaKadosh The Holy Lion died on the 5th of Av of the Hebrew year 5332 1572 Common Era CE . He was born ... in Jewish mysticism . small 7 Av 586 BCE First Temple Invaded small After a month of fighting ... they feasted and vandalized until the afternoon of Av 9, which at that point they set the Temple on fire. small 7 Av 67 Common Era CE Civil War in Jerusalem small Fighting broke out inside the besieged ... is said to have quickened starvation. Jerusalem would fall three years later. small 7 Av 1492 The Spanish ... and Isabella I of Castile Queen Isabella on the 7th of Av of 1492, which destroyed many centuries of Jewish ... more details
A Tachycardia is the medical term as in Supraventricular tachycardia . Tachycardia may also refer to Tachycardia A Journal , an online book by Satsvarupa dasa Goswami disambig ... more details
Infobox Disease Name Sinus tachycardia Image SinusTach.jpg Caption ECG readout of an individual with sinus tachycardia. Here the heart rate is around 150. DiseasesDB 12135 ICD10 ICD9 ICD9 427.81 ICDO OMIM MedlinePlus eMedicineSubj eMedicineTopic MeshID D013616 inline citations date April 2012 Sinus tachycardia also colloquially known as sinus tach or sinus tachy is a heart rhythm with elevated rate of impulses originating from the sinoatrial node , defined as a rate greater than 100 beats min in an average ..., who have slower normals. Fact date September 2007 Etiology Sinus tachycardia is usually a response ... Hyperdynamic circulation Electric shock Withdrawal Drug withdrawal Symptoms Tachycardia is often ... or valvular disease Fact date September 2007 . Sinus tachycardia accompanying a myocardial infarction ... and one may confuse it with a paroxysmal supraventricular tachycardia or atrial flutter with a 2 ... or Valsalva s maneuver to slow the rate and identification of P waves administer AV blockers e.g., adenosine , verapamil to identify atrial flutter with 2 1 block Inappropriate sinus tachycardia IST Also known as chronic nonparoxysmal sinus tachycardia, patients have elevated resting heart rate ... or other causes of sinus tachycardia. IST is thought to be due to abnormal autonomic control.. main Inappropriate sinus tachycardia Postural orthostatic tachycardia syndrome POTS Usually in women with no heart ... sinus tachycardia with or without orthostatic hypotension. main Postural orthostatic tachycardia syndrome Treatment Not required for physiologic sinus tachycardia. Underlying causes are treated if present. Acute myocardial infarction . Sinus tachycardia can present in more than a third of the patients ... sinus tachycardia reflects a larger infarct that are more anterior with prominent left ventricular dysfunction, associated with high mortality and morbidity. Tachycardia in the presence of AMI ... 8. Epub 2005 Jan 15. Inappropriate sinus node tachycardia following gastric transposition surgery ... more details
Infobox Disease Name PAGENAME Image Caption DiseasesDB ICD10 ICD9 ICD9 427.89 ICDO OMIM MedlinePlus eMedicineSubj med eMedicineTopic 188 MeshID Atrial tachycardia is a type of atrial arrhythmia in which the heart s electrical impulse comes from an ectopic atrial pacemaker rather than from the SA node . Atrial tachycardias are characterized by very regular rates ranging from 140&ndash 220 bpm. ref name ucsf http www.ucsfbenioffchildrens.org conditions atrial tachycardia UCSF Benioff Children s Hospital Atrial Tachycardia ref One form is multifocal atrial tachycardia . References reflist Heart diseases Category Cardiac dysrhythmia symptom stub ... more details
Infobox Disease Name Paroxysmal tachycardia Image Caption DiseasesDB 32774 ICD10 ICD10 I 47 i 30 ICD9 ICD9 427.2 ICDO OMIM MedlinePlus eMedicineSubj eMedicineTopic MeshID D013614 Paroxysmal tachycardia is a form of tachycardia which begins and ends in an Acute medicine acute or paroxysm al manner. It is also known as Bouveret Hoffmann syndrome . ref WhoNamedIt synd 3076 ref ref L. Bouveret. De la tachyardie essentielle paroxystique. Revue de m decine, Paris, 1889, 9 753 793 837 855. ref ref A. Hoffmann Die paroxysmale Tachyardie. Wiesbaden 1900. ref Classification It can be divided by the origin ref DorlandsDict eight 000105526 paroxysmal tachycardia ref supraventricular tachycardia ventricular tachycardia Cause The cause of this condition is not accurately known, though it is probably of nervous origin and can be aggravated by physical wear and tear. The symptoms are sometimes very alarming but it is not considered in itself dangerous. It has an increased risk of developing in WPW syndrome and LGL Syndrome . ref Making sense of the ECG 3rd edition p 119 ref References reflist Circulatory system pathology Category Cardiac dysrhythmia Category Symptoms and signs Cardiac disease stub es Taquicardia parox stica ... more details
Nodal is a generative software application for composing music ref cite journal author McCormack J, McIlwain P, Lane A, Dorin A title Generative Composition with Nodal journal Proceedings of the International Workshop on Music and Artificial Life part of the European Conference on Artificial Life volume issue pages year 2007 pmid doi http www.csse.monash.edu.au jonmc research Papers Nodal.pdf ref . The software is produced at the http www.csse.monash.edu.au cema Centre for Electronic Media Art CEMA , http www.monash.edu.au Monash University , Australia. It uses a novel method for the notation and playing of MIDI based music. This method is based around the concept of a user defined graph. The graph consists of nodes musical events and edges connections between events . The composer interactively defines the graph, which is then traversed by any number of virtual players that play the musical events as they encounter them on the graph. The time taken by a player to travel from one node to another is based on the length of the edges that connect the nodes ref cite journal author McCormack J, McIlwain P, Lane A, Dorin A title Composing with Nodal Networks journal Proceedings of the 2006 Australasian Computer Music Conference ACMC volume issue pages 101&ndash 107 year 2006 pmid doi http www.csse.monash.edu.au jonmc research Papers McilwainACMA06.pdf ref . Supported platforms Early versions of Nodal were designed to run only on Mac OS X. As of version 1.1 beta, Nodal is http www.csse.monash.edu.au cema nodal available for download to run on Mac OS X 10.4, and Microsoft Windows Vista or XP operating systems. As of version 1.5, released in November 2009, the software became shareware in order to support its continued development. Working with NodalNodal generates MIDI data. It contains a built in MIDI synthesiser and is also compatible with any hardware or software MIDI synthesiser ... MIDI synth. Nodal is also compatible with Apple s GarageBand software or any of the many third party ... more details
Nodal signaling is a signal transduction pathway that is important in regional specification pattern ... . ref name pmid17287255 cite journal author Shen MM title Nodal signaling developmental roles and regulation ... doi 10.1242 dev.000166 url issn ref The nodal family of proteins, a subset of the TGF beta signaling .... Activation of the Nodal pathway involves nodal binding to activin and activin like receptors which ... endodermal regulator . This will, in turn, lead to induction of target genes such as Nodal, Lefty protein Lefty , the antagonist of nodal Cerberus, and others. ref name Schier 2003 cite journal author Schier AF title Nodal signaling in vertebrate development journal Annu. Rev. Cell Dev. Biol. volume ... issn ref The activation of Nodal pathway induces the transcription of many target genes including of its ... Schier 2009 cite journal author Schier AF title Nodal morphogens journal Cold Spring Harb Perspect ... components of Nodal signaling are evolutionary conserved in almost all vertebrates, the regulation of each component of the pathway sometimes varies according to the species. History The nodal gene ... month April pmid 1879365 doi url issn ref Further study of this gene by Zhou et al. showed that the nodal .... ref name Zhou 1993 cite journal author Zhou X, Sasaki H, Lowe L, Hogan BL, Kuehn MR title Nodal ... Further studies of nodal signaling in other vertebrates such as Cyclops and Squint in zebrafish proved that nodal signaling is adequate to induce mesoderm in all vertebrates. ref name Schier 2003 Selected components of the pathway Image Nodal signaling.jpg thumb 500px right Overview of Nodal signaling pathway. Nodal and its repressor Lefty are both expressed in response to Nodal singaling. The protein ... Nodal binds to the Activin receptors I and II and the co rreceptor Cripto Criptic and phosphorilates ... or transcription factors. The interaction of Nodal with BMPs BMP3, BMP7 , Lefty or with Cerberus in the outside ... of proteins, act as extracellular antagonists of nodal signaling. Expression studies of the lefty ... more details
File KCL.png framed Kirchhoff s current law is the basis of nodal analysis. In electric circuits analysis, nodal analysis , node voltage analysis , or the branch current method is a method of determining the voltage potential difference between Node circuits nodes points where elements or branches connect in an electrical circuit in terms of the branch currents. In analyzing a circuit using Kirchhoff s circuit laws , one can either do nodal analysis using Kirchhoff s current law KCL or mesh analysis using Kirchhoff s voltage law KVL . Nodal analysis writes an equation at each Node circuits electrical node , requiring that the branch currents incident at a node must sum to zero. The branch currents are written in terms of the circuit node voltages. As a consequence, each branch constitutive relation must give current as a function of voltage an admittance representation. For instance, for a resistor .... Nodal analysis is possible when all the circuit elements branch constitutive relations have an admittance representation. Nodal analysis produces a compact set of equations for the network, which ... of the compact system of equations, many circuit simulation programs e.g. SPICE use nodal analysis as a basis. When elements do not have admittance representations, a more general extension of nodal analysis, modified nodal analysis , can be used. While simple examples of nodal analysis focus on linear elements, more complex nonlinear networks can also be solved with nodal analysis by using Newton ... wire segments in the circuit. These are the nodes of nodal analysis. Select one node as the ground ... voltage. Examples Basic case Image Nodal analysis.svg thumb right 280px Basic example circuit ... circuits References Paul Dimo P. Dimo Nodal Analysis of Power Systems Abacus Press Kent 1975 External links Wikiversity Nodal analysis http www.allaboutcircuits.com vol 1 chpt 10 2.html Branch ... index.php Nodal Analysis Simple Nodal Analysis Example DEFAULTSORT Nodal Analysis Category Electronic ... more details
Nodal precession is the precession of an orbital plane around the rotation axis of an astronomical body such as the Earth. This precession is due to the non spherical nature of a spinning body which creates a non spherical gravitational field. Around a spherical body, an orbital plane would remain fixed in space around the central body. However, because most bodies are non spherical due to their rotation, this causes an equatorial bulge. Equatorial bulges have a gravitational effect that causes orbits to precess around the rotational axis of the central body. For a satellite in a retrograde orbit about the Earth, the longitude of the ascending node increases and the node precesses eastward. This nodal progression allows sun synchronous orbit s to maintain a constant Beta angle angle relative to the Sun . Equation The rate of precession depends on the inclination of the orbital plane to the equatorial plane, as well as the orbital eccentricity. For a satellite in a prograde orbit about the Earth, the precession is westward nodal regression , the node and satellite move in opposite directions ref cite book last Brown first Charles title Elements of spacecraft design pages 106 url http books.google.com books?id mTSSMhcmVbkC&lpg PA95&ots hkARYnIy9h&dq ascending 20node 20regression&pg PA121 v onepage&q ascending 20node 20regression&f false ref . A good approximation of the precession rate is math omega p frac 3 2 frac r 2 a 1 e 2 2 J 2 omega cos i math where math omega p , math is the precession rate radian rad s math r , math is the Earth s equatorial radius 6 378 137 m math a , math is the semi major axis of the satellite orbit math e , math is the eccentricity of the satellite orbit math omega , math is its angular frequency math 2 pi math radians divided by its period math ... argument of periapsis change External links http yarchive.net space orbits nodal regression.html Nodal regression description from USENET Category Astrodynamics astronomy stub ... more details
merge Node Module date March 2012 ref improve date August 2011 The Nodal Module NM is a pressurized module of the Russian Orbital Segment Russian Segment RS or ROS of the International Space Station ISS and will be used after the deorbit of the ISS in the OPSEK space station. citation needed lead date December 2011 NM was developed by RSC Energia in order to support the docking to ISS RS of two scientific and power modules during the final stage of the segment assembly and to provide on this segment additional docking ports to receive Soyuz TMA Soyuz TMA and Progress M spacecraft. citation needed lead date February 2012 Launch The Nodal Module would be integrated with a special version of the Progress spacecraft Progress cargo ship and launched by a standard Soyuz rocket family Soyuz rocket . The Progress would use its own propulsion and flight control system to deliver and dock the Nodal Module to the nadir Earth facing docking port of the Nauka ISS module Nauka MLM FGB 2 module on the Russian segment of the ISS. Design The Nadir earth facing docking port will support automated transfer of propellants between docked Russian spacecraft and the ROS in both directions, and automated docking of manned and unmanned spacecraft using the Kurs docking system Kurs radio telemetry system. According to the stations normal orientation, the module will provide the following ports, Zenith top one Active Hybrid, 4 Passive Hybrid and one Nadir Passive Transformed Hybrid, which is able to support Active Hybrid and Active Standard Probe spacecraft. The docking compartment has an internal volume of 14 cubic meters. cn date February 2012 History Initial plans The Universal Docking Module UDM lang ru was a planned Russian docking module for the International ... to the original ISS plan with the addition of a Nodal Module significant modification of the UDM ... the preliminary design of the Nodal Module and associated hardware. The meeting also approved the specialized ... more details
Inappropriate Sinus Tachycardia IST is a rare type of cardiac arrhythmia , within the category of supraventricular tachycardia SVT . IST may be caused by the sinus node itself having an abnormal structure ... Tachycardia is ongoing. The mechanism and primary etiology of Inappropriate Sinus Tachycardia has ... 10.1016 j.hrthm.2006.06.011 title Inappropriate sinus tachycardia may be related to an immunologic disorder ... title Inappropriate sinus tachycardia and beta receptor autoantibodies A mechanistic breakthrough ... ref The mechanism of the arrhythmia primarily involves the sinus node and peri nodal tissue ref ... sinus tachycardia cured by selective radiofrequency catheter ablation year 2000 last1 Sato ... 4 pages 381 6 pmid 11099363 ref and does not require the Atrioventricular node AV node for maintenance ... criteria exist. A diagnosis of Inappropriate sinus tachycardia is primarily one of exclusion and the following may be observed Exclusion of all other causes of sinus tachycardia Common forms of supraventricular tachycardia SVT must be excluded Normal P wave morphology A resting sinus tachycardia is usually ... Mean heart rate in 24hrs 95bpm Symptoms are documented to be due to tachycardia Hypotension is occasionally ... with inappropriate sinus tachycardia year 2010 last1 Zellerhoff first1 Stephan last2 Hinterseer ... and also treatments more commonly used to treat postural orthostatic tachycardia syndrome such as fludrocortisone ... of the Sinus Node for Inappropriate Sinus Tachycardia journal Circulation volume 92 issue 10 pages ... implantation of a permanent artificial pacemaker and AV node ablation in very resistant ... pacemaker . See also Supraventricular tachycardia Sinus tachycardia Postural orthostatic tachycardia ... cs arrhythmias a IST.htm Inappropriate sinus tachycardia by Dr Richard N. Fogoros ... tachycardia year 2005 last1 Still first1 A last2 Raatikainen first2 P last3 Ylitalo first3 A last4 ... title Impaired Baroreflex Gain in Patients with Inappropriate Sinus Tachycardia year 2005 last1 ... more details
Infobox disease Name Junctional ectopic tachycardia Image Caption DiseasesDB ICD10 ICD9 ICDO OMIM MedlinePlus eMedicineSubj eMedicineTopic MeshID D013613 Junctional ectopic tachycardia JET is a rare syndrome ... cite journal author Sarubbi B, Vergara P, D Alto M, Calabro R title Congenital junctional ectopic tachycardia ... by abnormal conduction from or through the atrioventricular node AV node . ref name urlSupraventricular Tachycardia, Junctional Ectopic Tachycardia Overview eMedicine cite web url http emedicine.medscape.com article 898989 overview title Supraventricular Tachycardia, Junctional Ectopic Tachycardia ... Heart Journal title His bundle tachycardia arrhythmogenic and antiarrhythmic effects of therapy last1 ... up to 6 weeks old, the disease may also be referred to as His bundle tachycardia. Etymology Junctional ectopic tachycardia derives its name from the problem it causes. Junctional is used as the abnormal ... and ventricle heart ventricles , known as the AV node. Ectopic from the Greek ektopos , meaning ... pacemaker tissue within the heart. Tachycardia from the Greek takhys , meaning swift , and kardia ... Tachycardia accessdate 2011 08 29 url http www.etymonline.com index.php?allowed in frame 0&search tachycardia&searchmode none ref By this definition, junctional ectopic tachycardia is an abnormally swift heart rhythm due to cells firing within the heart near the AV node. Pathophysiology In normal ... located in the right atrium , propagates to the atrioventricular node atrioventricular AV node, and then through ... . The AV node acts as a gatekeeper, limiting the electrical activity that reaches the ventricles of the heart. This function of the AV node is important, because if the signals generated in the atria ... , the AV node will limit the electrical activity that conducts to the ventricles. For instance ... by the AV node, so that the ventricles are activated at 150 beats per minute giving a pulse of 150 beats per minute . Another important property of the AV node is that it slows down individual ... more details
AV Atletics is a The Netherlands Dutch Track and field athletics athletics club based in Nijverdal in the provinces of the Netherlands province of Overijssel . It was established in 1986. It has 260 members. AV Atletics is affiliated to the Netherlands Athletics Federation. History Since 1984, there is an organised group of runners in the community of Hellendoorn . In the beginning of 1985, this group decided to found AV Atletics. Accommodation File Atletiekbaan AV Atletics.jpg thumb left The accommodation of AV Atletics on the Van Heerdtweg in Nijverdal Since November, 1997 AV Atletics is situated at their current location, in the middle of a nature reserve called De Groene Mal in the north of Nijverdal. Events Each year, on the last Saturday in October, the Diepe Hel Holterbergloop Diepe Hel Holterberg Run is held by AV Atletics. The Diepe Hel Holterbergloop is one of the most beautiful and most exciting running events in The Netherlands . In 2010 and 2011, AV Atletics is organizing the Dutch Cross Country Championships. Coord 52.363913 N 6.463265 E display title Category Sports venues in the Netherlands Category 1986 establishments in the Netherlands athletics stub nl AV Atletics ... more details
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