A 58-year-old man with a history of chronic low back pain, hyperlipidemia, and moderate chronic obstructive pulmonary disease (COPD) is evaluated in the emergency department for progressively worsening dyspnea. He is admitted to the hospital for COPD exacerbation. He is treated with albuterol nebulizer, prednisone, and noninvasive ventilation. His symptoms improve and he is discharged on hospital day five. One week later, he collapses at the airport while traveling. He is unresponsive and pulseless.
Which of the following is the most appropriate immediate course of action?
A. Administer IM naloxone, 0.4 mg.
B. Check airway patency.
C. Put automated external defibrillator pads in place.
D. Start chest compressions.
答案解析:
美国心脏协会心脏生命支持指南建议在院外心脏骤停患者中立即开始胸外按压,而不是气道管理。虽然气道管理和使用自动体外除颤器对于复苏很重要,但胸外按压是算法的初始步骤。早期开始胸外按压已被证明可改善院外心脏骤停的神经系统结局。纳洛酮给药可能对疑似因阿片类药物过量而无反应的患者有益。如果预期无脉患者会发生阿片类药物过量,初始步骤仍为胸外按压。
正确答案:D
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