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Am J Cardiol. 1997 Feb 1;79(3):365-6.

Early chronotropic incompetence predicts the need for atropine during dobutamine stress echocardiography.

Author information

1
Division of Cardiology, University of Michigan, Ann Arbor 48109-0119, USA.

Abstract

Analysis of heart rate responses in 130 patients undergoing dobutamine stress echocardiography revealed that heart rate response at 20 microg/kg/min predicted the eventual need for atropine in chronotropically incompetent patients. Administering atropine at intermediate doses of dobutamine rather than at peak stress may reduce test duration and provide a more balanced chronotropic and inotropic stress.

PMID:
9036761
DOI:
10.1016/s0002-9149(96)00764-3
[Indexed for MEDLINE]

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