急性左心衰时,鼻导管吸入高浓度氧为()
A.1~2ml/min
B.2~4ml/min
C.4~8mL/min
D.8~12mL/min
E.10~20ml/min
参考答案:E
The project has been designed to give poor students easy to good education. [ ]
A. access
B. survey
C. discipline
D. position
男性,老年心力衰竭患者,症状加重的最常见诱因是
A.过度劳累
B.摄入液体过多
C.室性期前收缩
D.心肌缺血
E.呼吸道感染