Alterations in mast suit pressure with changes in ambient temperature

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6 Scopus citations


A study was undertaken to test the hypothesis that change in ambient air temperature has an effect on MAST suit pressure according to the ideal gas law. Two different MAST suits were tested on Resusci-Annie dummies. The MAST suits were applied in a cold room at 4.4°C and warmed to 44°C. Positive linear correlations were found in nine trials, but the two suits differed in their rate of increase in pressure. Three trials using humans were conducted showing increased pressure with temperature but at a lesser rate than with dummies. A correlation of 0.5 to 1.0 mm Hg increase in MAST suit pressure for each 1.0°C increase in ambient temperature was found. Implications are discussed for the use of the MAST suit in environmental conditions where the temperature changes.

Original languageEnglish (US)
Pages (from-to)37-44
Number of pages8
JournalJournal of Emergency Medicine
Issue number1
StatePublished - 1983


  • MAST suit
  • pressure in MAST suit
  • temperature change

ASJC Scopus subject areas

  • Emergency Medicine


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