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【单选题】
患者,女性,30岁。患急性化脓性扁桃体炎在某医院注射青霉素后突发呼吸困难,喉头喘鸣,嘴唇发绀,医务人员立即给予肾上腺素皮下注射的同时,缓解呼吸困难的措施宜首选A.
鼻导管吸氧
B.
面罩吸氧
C.
口咽通气管置入术
D.
环甲膜穿刺
E.
气管切开
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