This article reports the case of a 31 years old man who suffered from an acute pulmonary oedema after laryngospasma following extubation. This pathology, better known by anesthesiologists than internists, results primarly from a rapid rise in negative intrapleural pressure. It is not associated with previous cardio-pulmonary illness and has a begnin course with resolution within 48 hours with oxygen and positive end expiratory pressure support.