hemoptysis

Hemoptysis or haemoptysis is the discharge of blood or blood-stained mucus through the mouth coming from the bronchi, larynx, trachea, or lungs. In other words, it is the airway bleeding, and does not necessarily involve coughing. This can occur with lung cancer, infections such as tuberculosis, bronchitis, or pneumonia, and certain cardiovascular conditions. Hemoptysis is considered massive at . In such cases, there are always severe injuries. The primary danger comes from choking, rather than blood loss.

==Diagnosis== thumb|300px|Diagnostic approach to solving the puzzle of hemoptysis. Past history, history of present illness, family history history of tuberculosis, bronchiectasis, chronic bronchitis, mitral stenosis, etc. history of cigarette smoking, occupational diseases by exposure to silica dust, etc. Blood duration, frequency, amount Amounts of blood: large amounts of blood, or there is blood-streaked sputum Probable source of bleeding: Is the blood coughed up, or vomited? Bloody sputum color, characters: blood-streaked, fresh blood, frothy pink, bloody gelatinous. Accompanying symptoms fever, chest pain, coughing, purulent sputum, mucocutaneous bleeding, jaundice. Imaging examination chest X-ray, CT scan and 3D reconstruction images or CT virtual bronchoscopy, bronchial angiography. Laboratory tests blood test: WBC Sputum: cells and bacterial examinations, sputum culture Bronchial fiber endoscopy