多种肺部状况可能导致咳血。咳出的血液可能是鲜红色或粉红色、多泡,或者可能混有黏液。
咳血也称为咯血,即使量少,也可能让人担心。但是,咳出少许带血痰并不罕见,通常不是大碍。
如果您正在大量或频繁咳血,请拨打 911 或寻求急救护理。
如果您正在咳血,请致电您的医生。他或她可以确定是次要原因还是潜在的更严重的原因。如果您咳出大量血液或流血不止,请致电 911 或紧急医疗救助。
显示参考文献
- Weinberger SE. Etiology and evaluation of hemoptysis in adults. http://www.uptodate.com/ home. Accessed March 6, 2015.
- Ferri FF. Hemoptysis. In: Ferri's Clinical Advisor 2015: 5 Books in 1. Philadelphia, Pa.: Mosby Elsevier; 2015:543. https://www.clinicalkey.com. Accessed March 6, 2015.
- Kapur S, et al. Hemoptysis and thoracic fungal infections. Surgical Clinics of North America. 2010;90:985.
- AskMayoExpert. Hemoptysis. Rochester, Minn.: Mayo Foundation for Medical Education and Research; 2015.
July 02, 2022Original article: https://www.mayoclinic.org/zh-hans/symptoms/coughing-up-blood/basics/when-to-see-doctor/sym-20050934