Negative-pressure pulmonary edema (NPPE) occurs when a large, negative intrathoracic pressure is generated against an obstructed upper airway, causing fluid to shift into the lung interstitium.

PAH, or pulmonary hypertension, can leave someone breathless even after a short walk, but better drug combinations have ...

For example, a capillary is microscopically thin to allow gases to exchange, the arteries are tough and flexible to cope with high pressure ... except for the pulmonary artery) Carry blood towards ...