In:
American Journal of Physiology-Legacy Content, American Physiological Society, Vol. 201, No. 1 ( 1961-07-01), p. 109-111
Abstract:
Heart rate, mean blood pressure, adrenal blood flow, and adrenal plasma adrenaline and noradrenaline were compared before and after ligation of the anterior descending coronary artery in dogs anesthetized with chloralose. One group of 12 dogs responded to acute coronary occlusion with a sudden and marked decrease in mean blood pressure (mean, 31%) and heart rate (mean, 18%) followed by an early onset (mean, 227 sec) of ventricular fibrillation. Another group of nine dogs responded with slight decreases in mean blood pressure (mean, 13%) and heart rate (mean, 5%), during which time ventricular fibrillation occurred late (mean, 30 min) or not at all. While the two groups were statistically different in mean blood pressure and heart rate, the minute output of adrenal catecholamines in either group was not found to be related to the early or late occurrence of ventricular fibrillation.
Type of Medium:
Online Resource
ISSN:
0002-9513
DOI:
10.1152/ajplegacy.1961.201.1.109
Language:
English
Publisher:
American Physiological Society
Publication Date:
1961
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1477334-X
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2065807-2
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1477287-5
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1477308-9
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1477297-8
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1477331-4
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1477300-4
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1477329-6
SSG:
12
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