Tachycardia classification: Difference between revisions
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Tachycardias can be classified in a variety of ways. One form of classification is whether it is a wide-complex tachycardia, or whether it is a narrow-complex tachycardia. Another way of classifying tachycardia is whether the rhythm is regular or whether it is irregular. Tachycardia can also be distinguished by type; whether is is a sinus tachycardia, a [[ventricular tachycardia]], a [[supraventricular tachycardia]], or [[atrial fibrillation]]. | Tachycardias can be classified in a variety of ways. One form of classification is whether it is a wide-complex tachycardia, or whether it is a narrow-complex tachycardia. Another way of classifying tachycardia is whether the rhythm is regular or whether it is irregular. Tachycardia can also be distinguished by type; whether is is a sinus tachycardia, a [[ventricular tachycardia]], a [[supraventricular tachycardia]], or [[atrial fibrillation]]. | ||
==Classification== | ==Classification== | ||
==Origin of the Pacemaker== | ===Origin of the Pacemaker=== | ||
===Atrial Rhythms=== | ====Atrial Rhythms==== | ||
*[[Sinus tachycardia]] | *[[Sinus tachycardia]] | ||
*[[Premature atrial contraction|Premature atrial contractions (PACs)]] | *[[Premature atrial contraction|Premature atrial contractions (PACs)]] | ||
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*[[Atrial fibrillation|Atrial fibrillation (Afib)]] | *[[Atrial fibrillation|Atrial fibrillation (Afib)]] | ||
===Atrial Ventricular Arrythmias=== | ====Atrial Ventricular Arrythmias==== | ||
*[[AV nodal reentrant tachycardia]] | *[[AV nodal reentrant tachycardia]] | ||
*[[AV reentrant tachycardia]] | *[[AV reentrant tachycardia]] | ||
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**[[Lown-Ganong-Levine syndrome]] | **[[Lown-Ganong-Levine syndrome]] | ||
===Junctional Arrhythmias=== | ====Junctional Arrhythmias==== | ||
*[[Junctional rhythm]] | *[[Junctional rhythm]] | ||
*[[Junctional tachycardia]] | *[[Junctional tachycardia]] | ||
*Premature junctional complex | *Premature junctional complex | ||
===Ventricular Rhythms=== | ====Ventricular Rhythms==== | ||
*[[Premature ventricular contraction|Premature ventricular contractions (PVC)]] | *[[Premature ventricular contraction|Premature ventricular contractions (PVC)]] | ||
*[[Accelerated idioventricular rhythm]] | *[[Accelerated idioventricular rhythm]] | ||
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**[[Polymorphic ventricular tachycardia]] | **[[Polymorphic ventricular tachycardia]] | ||
==QRS Morphology== | ===QRS Morphology=== | ||
It is sometimes useful to classify tachycardias as either narrow complex tachycardias (often referred to as [[supraventricular tachycardia]]s) or [[wide complex tachycardia]]s. Narrow and wide refer to the width of the [[QRS complex]] on the [[ECG]]. Narrow complex tachycardias tend to originate in the [[atria]], while [[wide complex tachycardia]]s tend to originate in the [[ventricle]]s. Tachycardias can be further classified as either regular or irregular. | It is sometimes useful to classify tachycardias as either narrow complex tachycardias (often referred to as [[supraventricular tachycardia]]s) or [[wide complex tachycardia]]s. Narrow and wide refer to the width of the [[QRS complex]] on the [[ECG]]. Narrow complex tachycardias tend to originate in the [[atria]], while [[wide complex tachycardia]]s tend to originate in the [[ventricle]]s. | ||
===Rhythm Regularity=== | |||
Tachycardias can be further classified as either regular or irregular. | |||
==References== | ==References== | ||
Revision as of 15:30, 20 August 2013
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Tachycardia Microchapters |
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Tachycardia classification On the Web |
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American Roentgen Ray Society Images of Tachycardia classification |
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Risk calculators and risk factors for Tachycardia classification |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor-In-Chief: M.Umer Tariq [2]
Overview
Tachycardias can be classified in a variety of ways. One form of classification is whether it is a wide-complex tachycardia, or whether it is a narrow-complex tachycardia. Another way of classifying tachycardia is whether the rhythm is regular or whether it is irregular. Tachycardia can also be distinguished by type; whether is is a sinus tachycardia, a ventricular tachycardia, a supraventricular tachycardia, or atrial fibrillation.
Classification
Origin of the Pacemaker
Atrial Rhythms
- Sinus tachycardia
- Premature atrial contractions (PACs)
- Wandering atrial pacemaker
- Multifocal atrial tachycardia
- Supraventricular tachycardia (SVT)
- Atrial flutter
- Atrial fibrillation (Afib)
Atrial Ventricular Arrythmias
Junctional Arrhythmias
- Junctional rhythm
- Junctional tachycardia
- Premature junctional complex
Ventricular Rhythms
- Premature ventricular contractions (PVC)
- Accelerated idioventricular rhythm
- Ventricular tachycardia
- Ventricular fibrillation
QRS Morphology
It is sometimes useful to classify tachycardias as either narrow complex tachycardias (often referred to as supraventricular tachycardias) or wide complex tachycardias. Narrow and wide refer to the width of the QRS complex on the ECG. Narrow complex tachycardias tend to originate in the atria, while wide complex tachycardias tend to originate in the ventricles.
Rhythm Regularity
Tachycardias can be further classified as either regular or irregular.