試題詳解

46. 關於 Pericardial Tamponade，下列敘述何者為是?
(A) 正常 pericardial sac has two layers and the normal amount of fluid between the two layers is 35 to 50 mL
(B) 正常情形下心包膜內壓力約為 5 mm Hg，less than the CVP and approximates than the pleural pressure.
(C) 當發生 pericardial tamponade 時，常常可以見到 pulsus paradoxus，尤其是在合併有 ASD 或是本身 LV hypertrophy/dilation 導致 LVEDP 升高的病人身上
(D) Ventricular interdependence 是指 during expiration, increased venous return and filling of the right heart cause the interatrial and interventricular septa to bulge to the left, and opposite changes occur during inspiration.