Diagnóstico diferencial de taquicardias a complejo ancho / Differential diagnosis of tachycardias with widened complex
Rev. méd. Chile
;
125(2): 236-43, feb. 1997. tab, ilus, graf
Article
in Spanish
| LILACS
| ID: lil-194825
ABSTRACT
The differential diagnosis of tachycardias with a widened QRS complex is a frequent problem that cardiologists and emergency room physicians must face. Ventricular tachycardias, supraventrical tachycardias with aberration of ventricular conduction and supraventricular tachycardias conducted by accessory routes (pre-exited or antidromic) are the three mechanisms that cause tachycardias with a widened QRS complex, whose clinical significance and treatments are different. Recently, intracardiac electrophysiological studies allowed the identification of efficient electrocardigraphic criteria to distinguish each of these mechanisms. Several reports have indicated these criteria based on the careful analysis of the surface electrocardiogram
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Index:
LILACS (Americas)
Main subject:
Tachycardia, Supraventricular
/
Tachycardia, Ventricular
Type of study:
Diagnostic study
/
Prognostic study
Limits:
Humans
Language:
Spanish
Journal:
Rev. méd. Chile
Journal subject:
Medicine
Year:
1997
Type:
Article
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