Assessment of asymptomatic sinus bradycardia
Journal Title: Αρχεία Ελληνικής Ιατρικής - Year 2005, Vol 22, Issue 3
Abstract
OBJECTIVE The aim of this study was to investigate pharmacologically the chronotrope reserve of patients with asymptomatic sinus bradycardia. Specifically, lower than normal sinus responses to intravenous (IV) infusion of atropine (=90 beats/min) and isoproterenol (final sinus rate 135.7±7 beats/min). Group B: Response to atropine and isoproterenol in the ranges of 81.2±5.3 beats/min and 126.7±6 beats/min, respectively. Group C: Response to atropine and isoproterenol in the ranges of 74.4±4.9 beats/min and of 99.2±11 beats/min, respectively. Statistically, the results from group A and B did not differ significantly (p=0.11). However differences in response between groups A and C, and between groups B and C showed considerable statistically significant differences (p
Authors and Affiliations
S. VAVETSI, N. NIKOLAOU, K. TZIAROU, I. KANDILAS
Keywords
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