Maneuvers,Valsalva

《英文msh词典》Maneuvers,Valsalva
[入口词] Maneuvers,Valsalva
[主题词] Valsalva Maneuver
[英文释义] Forced expiratory effort against a closed GLOTTIS. It is used to study cardiovascular effects of increased peripheral VENOUS PRESSURE and decreased cardiac filling and output.

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