
Effects of theophylline on exercise indices in a patient with chronotropic incompetence
Author(s) -
Dixoniv William C.,
Bauch Terry D.
Publication year - 2000
Publication title -
clinical cardiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.263
H-Index - 72
eISSN - 1932-8737
pISSN - 0160-9289
DOI - 10.1002/clc.4960231019
Subject(s) - medicine , chronotropic , theophylline , sick sinus syndrome , sinus bradycardia , bradycardia , cardiology , anesthesia , heart rate , blood pressure
Several investigators have documented the successful use of oral sustained‐release theophylline in treating symptomatic bradycardia and sick sinus syndrome. This paper reports a case of chronotropic incompetence in which specific exercise indices, including the chronotropic response index, were used to measure the therapeutic efficacy of theophylline.