Maneuver,Valsalva

《英文msh詞典》Maneuver,Valsalva
[入口詞] Maneuver,Valsalva
[主題詞] Valsalva Maneuver
[英文釋義] 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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