Thoracic and arterial pressures, blood flow and syncope
Sinclair, J.D.; Hill, P.M.; Brandt, P.W.
New Zealand Medical Journal 84(573): 270-272
1976
ISSN/ISBN: 0028-8446 PMID: 1069942 Document Number: 109480
The relationship between elevation of the thoracic pressure and the thoracic volume and blood pressure was investigated in man. Raising the thoracic pressure produced an increasing hypotension and ultimately fainting. Cine-radiography showed a reduction in heart size while the high thoracic pressure was maintained.
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