极化液用于心肌梗死的主要目的是 ["增加心肌营养","改善心肌缺血","减少心律失常的发生","增加心肌收缩力","增加心肌兴奋性"] 胃黏膜保护剂不包括 ["前列腺素","丙谷胺","硫糖铝","罗沙替丁","胶体铋"] 下列哪项是目前筛选本病的主要指标 ["血常规","类风湿因子","B超","抗双链DNA抗体","抗核抗体 "] 哮喘病人提示病情严重的表现是 ["大汗淋漓","张口呼吸","咳血","奇脉","哮鸣音不明显"] 枕左前位时胎头枕额径衔接在骨盆入口的 ["横径","右斜径","左斜径","前后径","坐骨棘间径"] 经产妇，产后第2天，诉下腹部阵发性疼痛。查体低热，出汗，咽部充血，无恶心、呕吐、腹泻，脐下2横指处触及一硬块上界，白细胞10×109／L，中性粒细胞0．80，最可能的诊断是