某患者葡萄胎刮宫术后4个月,仍有少量阴道流血,血HCG明显高于正常,胸部X线片显示片状阴影,病理报告:未见绒毛结构。最可能的诊断是()。 ["再次葡萄胎","结核","侵蚀性葡萄胎","宫外孕","绒毛膜癌"]
肝囊肿与肝脓肿的超声鉴别要点是: ①脓肿是实性的,囊肿是液性的; ②脓肿边缘不规则、壁模糊不清而厚,囊肿边缘清晰、壁薄; ③脓肿为低回声肿块,囊肿为透声佳的液暗区; ④早期脓肿内可见血流,囊肿内无血流() ["①②③","①③","②④","④","①②③④"]
对心室颤动最可靠有效的方法是() ["静脉注射利多卡因","静脉注射胺碘酮","电除颤","静脉注射美托洛尔","静脉注射普罗帕酮"]
胰高血糖素对糖代谢的作用是() ["促进糖原分解和糖异生","促进糖原分解,抑制糖异生","抑制糖原分解,促进糖异生","抑制糖原分解和糖异生","促进胰岛细胞对糖原的摄取"]
患者男性,45岁。原发性肺动脉高压伴严重低氧血症及心衰的终末期支气管肺疾患,行心肺联合移植术。入手术室心率120次/分,血压110/70mmHg,PaCO255mmHg,Pa0275mmHg。下列哪项监测是错误的() ["A.有创动脉压监测","设置漂浮导管","右颈内静脉置管测CVP","ECG","SPO2<\/sub>及呼气末C02<\/sub>浓度"]
切开引流适用于()急诊阑尾切除术适用于()择期阑尾切除术适用于()非手术治疗适用于()