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Coughing Up Blood: Causes, Treatments, and More


Bronchial artery embolization. A doctor advances a catheter through the leg into an artery supplying blood to the lungs. By injecting dye and viewing the arteries on a video screen, the doctor identifies the source of bleeding. That artery is then blocked, using metal coils or another substance. Bleeding usually stops, and other arteries compensate for the newly blocked artery.


Bronchoscopy. Tools on the end of the endoscope can be used to treat some causes of coughing up blood. For example, a balloon inflated inside the airway may help stop bleeding.

Surgery. Coughing up blood, if severe and life-threatening, may require surgery to remove a lung (pneumonectomy).


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