以上来源于: WordNet
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)。
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。
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