三度房室传导阻时,下列哪项心电图改变一般不出现()
A.心室夺获
B.房室分离
C.P波与QRS波无关
D.室性逸搏心率
E.P-R间期<R-R间期
参考答案:A
读短文判断正(T)误(F)。
I'm Li Ming. I'm ten years old. I have a friend. She is a girl. She is ten years old, too. Today is sunny. We
go to the park to fly kites. We are happy.
( ) 1. Li Ming is ten years old.
( ) 2. Today is cloudy.
( ) 3. They go to the park to play cards.
( ) 4. They are happy.
患者,男性,52岁,有多年吸烟史,现在声音嘶哑伴小量咯血,应考虑的疾病是()
A.肺结核空洞形成
B.支气管扩张
C.肺脓肿
D.支气管癌
E.肺炎球菌性肺炎