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Medical Definition of Valsalva's manoeuvre
1. Forced expiratory effort against a closed airway. It is used to study cardiovascular effects of increased peripheral venous pressure and decreased cardiac filling and output. (12 Dec 1998)
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1. Forced expiratory effort against a closed airway. It is used to study cardiovascular effects of increased peripheral venous pressure and decreased cardiac filling and output. (12 Dec 1998)