The expectoration of blood, due usually to hemorrhage from the mucous membrane of the lungs.

production of bloody sputum during coughing.

expectoration of blood as a result of respiratory tract bleeding. It is not to be confused with blood-streaked sputum, a common complaint, but is usually benign and seen with an upper respiratory tract infection.

Literally, blood in the respiratory tract secretions (coughing up blood). Hemoptysis is usually caused by very high pressures in the venous (right sided) circulation (such as in Eisenmenger's), resulting in the breakage of smaller blood vessels supplying the lungs. It can vary from trace to life-threatening amounts. Click here for additional information

Coughing up of blood from the respiratory tract

Literally coughing up blood that has been secreted into the respiratory tract due to bleeding. A warning sign of a more serious disease.

Coughing up blood or blood-stained sputum.

When a person coughs up blood.

Expectoration of blood from some part of the respiratory tract

act of coughing up blood

Coughing up any amount of blood.

the coughing up of sputum containing varying amounts of blood.

Spitting blood.

Coughing up blood, often with sputum. Results from broken small blood vessels in the lungs.

Blood in the sputum.

coughing up blood from the respiratory tract; usually indicating a severe infection or bleeding from the larynx, trachea, bronchi, or lungs

Coughing up blood or pulmonary bleeding.

Blood-tinged sputum, arising form the oral cavity, larynx, trachea, bronchi, or the lungs