紫癜的出血直径是() ["直径小于2mm","直径大于3mm","直径3~5mm","直径大于5mm","直径2~3mm"]
6个月,男婴,人工喂养。平时易惊,多汗,睡眠少,近2日来咳嗽、低热,今晨突然双眼凝视,手足抽动。查体:枕后有乒乓球感。止抽后的处理是() ["A.静滴钙剂","供给氧气","肌注呋塞米(速尿)","肌注维生素B","静滴葡萄糖液"]
试述钾的生理功能。
6个月,男婴,人工喂养。平时易惊,多汗,睡眠少,近2日来咳嗽、低热,今晨突然双眼凝视,手足抽动。查体:枕后有乒乓球感。患儿最可能是() ["A.血糖降低","血清钙降低","血清镁降低","血清钠降低","脑脊液细胞数增多"]
试述连枷胸的现场急救。
试述胸膜腔内活动性出血的征象。