男性,38岁,左胸痛伴呼吸困难1周。呼吸频率30次/分,血氧分压62mmHg,体检发现颈静脉充盈,左下肢水肿。超声心动图提示右心室、右心房扩大,心电图和X线胸片无明显异常。下一步最佳检查是() ["右心室造影","Holter","运动试验","64排CT肺血管成像","冠状动脉造影"]
青光眼、虹膜睫状体炎时压迫或刺激哪根神经造成眼痛() ["筛前神经","滑车下神经","睫状长神经","睫状神经节短根","筛后神经"]
患者女性,28岁。被人发现昏倒在地,可闻及有煤气味,发现者考虑患者呼吸微弱,于是就地做人工呼吸,医生到场后指出抢救者所犯的原则性错误是() ["未及时撤离现场","未及时供氧","未及时用兴奋剂","未及时输液","未及时注射激素"]
调查设计的内容最重要的是()。 ["明确调查目的","确定调查指标","确定调查对象","制定调查表","确定调查方法"]
形成牙骨质的结构是() ["成釉器","牙乳头","牙囊","牙板","前庭板"]
小儿心血管系统监测临床观察包括哪些项目?