A pulmonary embolism (PE) is a life-threatening condition of blocked arteries in the lungs. Learn about symptoms and treatment.
ARDS is a potentially fatal form of respiratory failure characterized by low blood oxygen levels. Learn about symptoms and treatment.
Pulmonary edema is a condition in which fluid buildup in the lungs makes it hard to breathe.
In this routine test, a physician slips a flexible device called a bronchoscope through your nose or mouth, down your throat and into your lungs.