Wide complex tachycardia causes: Difference between revisions
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==Ventricular Tachycardia== | ==Ventricular Tachycardia== | ||
==Supraventricular Tachycardia== | ==Supraventricular Tachycardia== | ||
Revision as of 22:28, 4 August 2013
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
A wide complex tachycardia is either of ventricular origin (ventricular tachycardia or VT), or is of supraventricular origin with aberrant conduction (SVT with aberrancy) such as occurs with conduction down a bypass tract. Approximately 80% of wide complex tachycardias are due to ventricular tachycardia.[1]
Ventricular Tachycardia
Supraventricular Tachycardia
- Supraventricular tachycardia (SVT) with aberrant ventricular conduction, which is either new or due to a preexisting left or right bundle branch block or a preexisting nonspecific intraventricular conduction delay (IVCD). The underlying supraventricular rhythm that is aberrantly conducted can be any one of the following rhythms:
- Antegrade conduction down an accessory bypass tract for instance in Wolff Parkinson White syndrome (WPW)
- Atrial flutter with 2:1 conduction and occasional 1:1 conduction
- Automatic junctional tachycardia
- AV nodal reentrant tachycardia
- AV reentrant tachycardia using a bypass tract
- Intraatrial reentrant tachycardia
- Paroxysmal atrial tachycardia
- SA nodal reentrant tachycardia
- Sinus tachycardia
References
- ↑ Lam P, Saba S (2002). "Approach to the evaluation and management of wide complex tachycardias". Indian Pacing and Electrophysiology Journal. 2 (4): 120–6. PMC 1557420. PMID 16951728. Retrieved 2013-08-04.