什么是心源性哮喘?
回答 Rekha Mankad, M.D.
心源性哮喘并非真正的哮喘,而是伴随左心衰竭发生的咳嗽或哮鸣。视乎症状的严重程度,这种哮鸣有可能需要紧急就医。
心力衰竭可引发肺部积液(肺水肿)以及呼吸道内和呼吸道周围积液,这可能导致与哮喘体征和症状相似的气短、咳嗽和哮鸣。
真性哮喘是由呼吸道炎症引起的慢性疾病,可使呼吸道变窄,导致呼吸困难。真性哮喘不会引起肺部积液或心脏病。
哮喘和心力衰竭的治疗方法并不相同,请务必明确区分这两种疾病。心力衰竭的治疗方法有助于缓解心力衰竭和心源性哮喘的症状。若过度使用急救吸入器等真性哮喘治疗方法,其实有害无益,且可能导致症状恶化。
显示参考文献
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- Asthma. National Heart, Lung, and Blood Institute. https://www.nhlbi.nih.gov/health-topics/asthma#. Accessed March 10, 2021.
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Aug. 27, 2022Original article: https://www.mayoclinic.org/zh-hans/diseases-conditions/heart-failure/expert-answers/cardiac-asthma/faq-20058447