Haemodynamic Responses to Exercise in Hypertension: Place of the Sympathetic Nervous System Evaluated by a New Selective Cardiac Beta-adrenergic Blocking Agent ICI 50,172
- 1 October 1968
- journal article
- research article
- Published by Oxford University Press (OUP) in Cardiovascular Research
- Vol. 2 (4) , 379-383
- https://doi.org/10.1093/cvr/2.4.379
Abstract
Intravenous administration of a new cardio-selective β-adrenergic blocking agent with intrinsic sympathetic activity, but, unlike propranolol, with no quinidine-like activity, produced insignificant haemodynamic effects at rest. On treadmill exercise, however, blood pressure, heart rate, cardiac output, and left ventricular work were reduced, peripheral resistance remaining unaltered.Keywords
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