Light on wide-QRS tachycardia, part 1

Distinguishing the mechanisms - Physiologic and clinical correlations that clarify a challenging diagnosis

H. M. Patel, J. C. Luck, J. T. Dell'Orfano, Deborah Wolbrette, Gerald Naccarelli

Research output: Contribution to journalReview article

Abstract

The distinction between wide-QRS ventricular tachycardia (VT) and wide-QLRS supraventricular tachycardia (SVT) is not always readily apparent but is very important. Inappropriate treatment can worsen the patient's hemodynamic status and, in some cases, make the arrhythmia refractory. The differential diagnosis of wide-QRS tachycardia (WQRST) includes VT, SVT with preexisting right or left bundle branch block, SVT with functional bundle branch block, and SVT with ventricular preexcitation. VT is the most common WQRST and is usually a sign of structural heart disease. Left bundle branch block is usually associated with cardiac disease. Right bundle branch block may be associated with heart or lung disease or may be idiopathic.

Original languageEnglish (US)
Pages (from-to)474-482
Number of pages9
JournalJournal of Critical Illness
Volume15
Issue number9
StatePublished - Jan 1 2000

Fingerprint

Bundle-Branch Block
Tachycardia
Supraventricular Tachycardia
Light
Ventricular Tachycardia
Heart Diseases
Lung Diseases
Cardiac Arrhythmias
Differential Diagnosis
Hemodynamics

All Science Journal Classification (ASJC) codes

  • Critical Care and Intensive Care Medicine

Cite this

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title = "Light on wide-QRS tachycardia, part 1: Distinguishing the mechanisms - Physiologic and clinical correlations that clarify a challenging diagnosis",
abstract = "The distinction between wide-QRS ventricular tachycardia (VT) and wide-QLRS supraventricular tachycardia (SVT) is not always readily apparent but is very important. Inappropriate treatment can worsen the patient's hemodynamic status and, in some cases, make the arrhythmia refractory. The differential diagnosis of wide-QRS tachycardia (WQRST) includes VT, SVT with preexisting right or left bundle branch block, SVT with functional bundle branch block, and SVT with ventricular preexcitation. VT is the most common WQRST and is usually a sign of structural heart disease. Left bundle branch block is usually associated with cardiac disease. Right bundle branch block may be associated with heart or lung disease or may be idiopathic.",
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Light on wide-QRS tachycardia, part 1 : Distinguishing the mechanisms - Physiologic and clinical correlations that clarify a challenging diagnosis. / Patel, H. M.; Luck, J. C.; Dell'Orfano, J. T.; Wolbrette, Deborah; Naccarelli, Gerald.

In: Journal of Critical Illness, Vol. 15, No. 9, 01.01.2000, p. 474-482.

Research output: Contribution to journalReview article

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T2 - Distinguishing the mechanisms - Physiologic and clinical correlations that clarify a challenging diagnosis

AU - Patel, H. M.

AU - Luck, J. C.

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AU - Wolbrette, Deborah

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AB - The distinction between wide-QRS ventricular tachycardia (VT) and wide-QLRS supraventricular tachycardia (SVT) is not always readily apparent but is very important. Inappropriate treatment can worsen the patient's hemodynamic status and, in some cases, make the arrhythmia refractory. The differential diagnosis of wide-QRS tachycardia (WQRST) includes VT, SVT with preexisting right or left bundle branch block, SVT with functional bundle branch block, and SVT with ventricular preexcitation. VT is the most common WQRST and is usually a sign of structural heart disease. Left bundle branch block is usually associated with cardiac disease. Right bundle branch block may be associated with heart or lung disease or may be idiopathic.

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