【名词&注释】
房室传导阻滞、利尿剂(diuretic)、钙拮抗剂(calcium antagonist)、肺循环(pulmonary circulation)、体循环血流量(physical circulatoryvolume)、右心室压(right atrial pressure)、压力大(great pressure)、抗休克作用(antishock effect)、心包摩擦音(pericardial friction sound)、右心房压力(right atrial prssure)
[单选题]病毒性心肌炎在下列哪种情况下可试用糖皮质激素()
A. A.ST-T改变B.室性期前收缩C.Ⅱ~Ⅲ度房室传导阻滞D.发热E.心包摩擦音(pericardial friction sound)