Valsalva maneuver的意思|示意

It often presents as a soft painless mass, especially in pediatric populations and its appearance may sometimes be altered by position and when performing the Valsalva maneuver.

尤其是在儿童中，通常表现为无痛性软组织肿块，当做瓦尔·萨尔瓦动作或者姿势改变时，可以发生形态的改变。

Objective: to expound the mechanism of Valsalva maneuver to treat supraventricular tachycardia.

目的：为阐明瓦氏动作在终止室上速过程的作用机制。

Instruct clients with history of cardiovascular disease to exhale during defecation (Valsalva maneuver can cause cardiac arrest).

嘱有心脏病史病人排便时呼气(瓦尔·萨尔瓦操作会导致心脏停博)。