[Acute pulmonary edema from dislocation of a laryngeal mask]

A case of pulmonary edema secondary to dislocation of laryngeal mask during awakening from anesthesia is described. The complication has been ascribed to physiopathological changes of the alveolo-capillary membrane caused by inspiratory efforts secondary to dislocation of laryngeal mask during awakening from anesthesia. Other possible causes of pulmonary edema are discussed, especially the cardiogenic one, and among the non cardiogenic edema, the Mendelson's syndrome. The quick identification and the intensive care of post obstructive pulmonary edema lead to a rapid resolution of the pathology.