Electrocardiographic manifestations: aberrant ventricular conduction

Aberrant ventricular conduction is a common electrocardiographic (EKG) manifestation that occurs when the supraventricular electrical impulse is conducted abnormally through the ventricular conducting system. This results in a wide QRS complex that may be confused with a ventricular ectopic beat. Th...

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Bibliographic Details
Published in:The Journal of emergency medicine 2000-11, Vol.19 (4), p.363-367
Main Authors: Pollack, Marc L, Chan, Theodore C, Brady, William J
Format: Article
Language:English
Subjects:
aberrant conduction
Biological and medical sciences
Calcium Channel Blockers
Cardiac dysrhythmias
Cardiology. Vascular system
Contraindications
Diagnosis, Differential
dysrhythmia
Electric Countershock
electrocardiogram
Electrocardiography - methods
Emergency Treatment - methods
Female
Heart
Humans
Male
Medical History Taking
Medical sciences
Middle Aged
Physical Examination
Prognosis
Sensitivity and Specificity
Tachycardia, Ventricular - diagnosis
Tachycardia, Ventricular - etiology
Tachycardia, Ventricular - therapy
Ventricular Premature Complexes - diagnosis
ventricular tachycardia
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Description
Summary:Aberrant ventricular conduction is a common electrocardiographic (EKG) manifestation that occurs when the supraventricular electrical impulse is conducted abnormally through the ventricular conducting system. This results in a wide QRS complex that may be confused with a ventricular ectopic beat. This differentiation is important because the treatment and prognosis is quite different. Hemodynamically unstable patients with a wide-complex tachycardia should be promptly cardioverted. Although up to 10% of cases will defy differentiation, ventricular tachycardia and aberrant conduction can be distinguished utilizing history, physical examination, and EKG criteria. The mechanisms of aberrant ventricular conduction are discussed.
ISSN:0736-4679
2352-5029
DOI:10.1016/S0736-4679(00)00254-7