Effect of thermal stress on cardiac function

Thad E. Wilson, Craig G. Crandall

Research output: Contribution to journalArticlepeer-review

61 Scopus citations

Abstract

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.

Original languageEnglish (US)
Pages (from-to)12-17
Number of pages6
JournalExercise and Sport Sciences Reviews
Volume39
Issue number1
DOIs
StatePublished - Jan 2011

Keywords

  • cardiac contractility
  • hyperthermia
  • hypothermia
  • orthostatic tolerance
  • pressure-volume relations

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

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