pulmonary disorders
Hemoptysis
Etiology of Hemoptysis
Blood-streaked sputum is common in many minor respiratory illnesses, such as upper respiratory infection and viral bronchitis. The differential diagnosis is broad (see table). In adults, 70 to 90% of cases are caused by Acute Bronchitis None Bronchiectasis None Necrotizing Overview of Pneumonia None Tuberculosis ( Tuberculosis (TB) ) Primary Overview of Lung Tumors is an important cause in people who have smoked for In children, common causes are Lower respiratory tract infection Esophageal Foreign Bodies None The most common causes of massive hemoptysis vary by geographic region but include the following: Overview of Lung Tumors None Bronchiectasis None Tuberculosis (TB) and other 