The diaphragm is primarily known as an inspiratory muscle that is active during inspiration and relaxed during expiration. However, in healthy premature and full-term newborns, it has been ...

Dysfunction of one or both hemidiaphragms is an underdiagnosed cause of dyspnea. Weakness or paralysis may be seen during mechanical ventilation, after surgery or trauma, with metabolic or inflamma ...

What is paradoxical breathing? During inspiration the diaphragm pulls down and during expiration the diaphragm pulls up. The reverse of this pattern is called paradoxical breathing.

Paradoxical breathing occurs when the diaphragm moves up when you inhale and the lungs can't expand as much. Learn more.

After an initial deep inspiration, a forced expiration is made. The glottis is closed during the initial expiration so air is trapped in the lungs. Pressure behind the glottis builds up rapidly and ...