Coughing up a large amount of bright red blood is an emergency and needs immediate medical attention. Treatment may include medications, intubation, or surgery, depending on the cause. Contact a ...

An airway obstruction happens when you can't move air in or out of your lungs. It could be because you inhaled something that's blocking your airway. Or it could be caused by disease, allergic ...

Bacterial cultures on sheep blood agar of the left lung of the dead rabbit and the nasal discharge of the live rabbit both showed numerous small, nonhemolytic mucoid colonies (Fig. 3). On microscopic ...