以下药物哪种不能用于治疗二度Ⅱ型房室传导阻滞及三度房室传导阻滞() ["A.异丙肾上腺素","B.阿托品","C.糖皮质激素","D.阿替洛尔","E.克分子乳酸钠"]
如何理解自杀的概念?
心尖搏动向左下移位,呈抬举样搏动见于 ["左心室肥大","右心室肥大","全心扩大","心包积液","肺气肿"]
下列哪项有利于室性心动过速与室上性心动过速的鉴别() ["A.心室率160次/分","B.心电图QRS波宽大畸形","C.过去发现过室早","D.心脏增大","E.心电图有心室夺获及室性融合波"]
失业者、无固定职业者、非技术工人及高社会阶层的自杀率较高。()
精神病人的自杀预防应注意哪些方面?