Why the study?
Does intravenous verapamil affect junctional and sinoatrial activity in patients with third-degree atrioventricular block?
Population
8 patients with third-degree atrioventricular block and stable junctional rhythms
Comparison
Intravenous infusion of verapamil reaching three… vs Identical protocol on a control day without…
Design
Other
Authors
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Verapamil may accelerate junctional escapes in third-degree AV block; leaves open mechanism and clinical relevance pending prospective data.
Does intravenous verapamil affect junctional and sinoatrial activity in patients with third-degree atrioventricular block?
Intravenous verapamil enhances junctional pacemaker activity in patients with third-degree AV block, suggesting these rhythms originate in cells not suppressed by slow-channel antagonism.
Schwartz et al. (1985) studied this question.
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