#negative-pressure_pulmonary_edema
Negative-pressure pulmonary edema
Lung disorder
Negative-pressure pulmonary edema (NPPE), also known as Postobstructive Pulmonary Edema, is a clinical phenomenon that results from the generation of large negative pressures in the airways during attempted inspiration against some form of obstruction of the upper airways. The most common reported cause of NPPE reported in adults is laryngospasm, while the most implicated causes in children are infectious croup and epiglottitis. The large negative pressures created in the airways by inhalation against an upper airway obstruction can lead to fluid being drawn from blood vessels supplying the lungs into the alveoli, causing pulmonary edema and impaired ability for oxygen exchange (hypoxemia). The main treatment for NPPE is supportive care in an intensive care unit and can be fatal without intervention.
Fri 13th
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