Why the study?
Does morphological analysis of endocardial electrograms differentiate ventricular tachycardia from sinus rhythm?
Population
10 patients with ventricular tachycardia (VT), including 4 with intraventricular conduction disturbances.
Comparison
Morphological analysis of endocardial… vs Sinus rhythm electrograms.
Design
Cross-sectional
Authors
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May aid VT differentiation in electrophysiology labs; hypothesis-generating and requires prospective validation.
Does morphological analysis of endocardial electrograms differentiate ventricular tachycardia from sinus rhythm?
Morphological analysis of endocardial electrograms using the 'area of difference' method can reliably differentiate ventricular tachycardia from sinus rhythm.
Langberg et al. (1988) studied this question.
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