房室结折返性心动过速首选()急性心肌梗死二级预防首选()洋地黄中毒致室性早搏首选() ["A.维拉帕米","B.利多卡因","C.美多心安","D.尼群地平","E.苯妥英钠"]
抗精神病药物的禁忌证包括() ["A.对抗精神病药物过敏者","B.严重的心血管疾病、肝脏疾病和肾脏疾病","C.严重的全身感染","D.闭角型青光眼","E.重症肌无力"]
上述心律失常中心室率可快可慢,可以规则可以不规则()上述心律失常中常伴发于心肌严重损害,并易引起心源性休克() ["A.窦性心动过速","B.室上性阵发性心动过速","C.室性阵发性心动过速","D.心房颤动","E.心房扑动"]
R-R间隔不等()可见窦性P波() ["A.心房扑动呈4:1下传","B.心房颤动","C.房性阵发性心动过速","D.窦性心动过速","E.交界性阵发性心动过速"]
同一导联上室早形态不同,配对间期常不等()室早的配对间期不固定,室早间的间期有公约数,可见室性融合波() ["A.间位性室早","B.室性早搏二联律","C.成对的室性早搏","D.多源性室早","E.室性并行心律"]
多数P波与QRS波无关,偶见心室夺获()P-R间期固定,有漏搏()