【单选题】老年人运动锻炼时出现以下哪一种情况应即停止锻炼
【简答题】患者,女性,69岁,已婚。心悸3天。患者于3天前无明显诱因出现心悸,不伴胸骨后疼痛,无气短、发热、咳嗽咳痰等,无恶心呕吐,也无腹痛腹泻。无多食、消瘦。发病以来,食欲睡眠尚可,大小便如常。既往高血压病史20年,间断服用"复方降压片"。无药物过敏。查体:T36.9℃,P88次/分,R16次/分,BP160/90mmHg。颈静脉无怒张,唇无发绀。双肺呼吸音清晰,未闻及干湿性啰音。心界不大,心率88次/分...
【简答题】I was out late watching a movie with a friend in Georgetown.By the time the ended,it was 2 a.m.We walked to my car which was across the street.When we arrived,I noticed something strange-the doors wer...