Valsalva maneuver
瓦氏动作val-SAL-vah
释义：Bearing down, as in childbirth or defecation, by attempting to exhale forcefully with the nose and throat closed; this action has an effect on the cardiovascular system
打开/关闭搜索
打开/关闭菜单
1378
142
374
7.4万
医林拾薪