Effect of thermal stress on cardiac function

Effect of thermal stress on cardiac function

Whole-body heating decreases pulmonary capillary wedge pressure and cerebral vascular conductance and causes an inotropic shift in the Frank-Starling curve. Whole-body cooling increases pulmonary capillary wedge pressure and cerebral vascular conductance without changing systolic function. These and...

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Bibliographic Details
Published in:Exercise and sport sciences reviews Vol. 39; no. 1; pp. 12 - 17
Main Authors: Wilson, Thad E, Crandall, Craig G
Format: Journal Article
Language:English
Published: United States 01-01-2011
Subjects:
Heart Rate
Heat Stress Disorders - physiopathology
Hot Temperature - adverse effects
Humans
Orthostatic Intolerance - etiology
Stroke Volume
Online Access:Get full text
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Summary:Whole-body heating decreases pulmonary capillary wedge pressure and cerebral vascular conductance and causes an inotropic shift in the Frank-Starling curve. Whole-body cooling increases pulmonary capillary wedge pressure and cerebral vascular conductance without changing systolic function. These and other data indicate that factors affecting cardiac function may mechanistically contribute to syncope during heat stress and improvements in orthostatic tolerance during cold stress.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0091-6331
1538-3008
DOI:10.1097/jes.0b013e318201eed6