This document discusses life threatening hemoptysis (LTH), including causes, evaluation, management, and treatment options. Common causes of LTH include infections like tuberculosis, tumors, cardiovascular issues, and trauma. Evaluation involves clinical history, physical exam, imaging like chest X-ray, and bronchoscopy. Management includes stabilizing the patient, identifying the bleeding source, and treating the underlying condition medically or surgically if stable and feasible. Bronchial artery embolization may help control bleeding but has risks. Drugs may help in some specific cases.