女,34岁。自幼有哮喘病史。因外出春游后再发20d,一直吸入"万托林"(β受体激动剂)仍不能活动而就诊。查体:对话中常有中断,呼吸急促,双肺散在哮鸣音,FEV1
A 静脉滴注糖皮质激素+静脉滴注氨茶碱+机械通气 B
间断吸入β<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230103/13148061_0_3.gif">受体激动剂+吸入糖皮质激素200μg/d C
规则吸入β<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230103/13148061_0_4.gif">受体激动剂+静脉滴注糖皮质激素+静脉滴注氨茶碱 D
静脉滴注β<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230103/13148061_0_5.gif">受体激动剂+静脉滴注糖皮质激素+静脉滴注氨茶碱 E
规则吸入β<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230103/13148061_0_6.gif">受体激动剂+吸入糖皮质激素>600μg/d+静脉滴注氨茶碱