Why the study?
What is the mechanism of pleomorphic ventricular tachycardia with varying QRS duration in a patient with advanced coronary heart disease?
Population
1 patient with advanced coronary heart disease and pleomorphic ventricular tachycardia
Design
Case_report
Authors
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His-bundle recordings may clarify pleomorphic VT mechanisms in advanced CHD; leaves open generalizability and clinical impact pending larger series.
What is the mechanism of pleomorphic ventricular tachycardia with varying QRS duration in a patient with advanced coronary heart disease?
Penetration of the His bundle by ventricular tachycardia can result in fusion from intramyocardial and His-Purkinje activation, leading to near normalization of QRS morphology.
Tai et al. (1994) studied this question.
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