心电图负荷试验的适应证是()
A.疑有冠心病而静息心电图正常者
B.急性心肌炎
C.不稳定型心绞痛
D.急性心肌梗死
E.高度主动脉狭窄
参考答案:A
Which of the following findings is suggestive of myocardial infarction (MI)
A.Below-normal erythrocyte sedimentation rate.
B.Elevated white blood cell count.
C.Elevated serum cholesterol value.
D.Elevated creatine phosphokinase (CPK) value.
维生素A中毒最突出的症状()
A.颅高压症状
B.转移性骨痛
C.皮肤粗糙、脱屑
D.肝脾肿大
E.出血倾向