title: Venous air embolism of uncertain etiology.
mesh_terms: D000328:Adult; D002404:Catheterization; D003388:Cranial Fossa, Posterior; D003399:Craniotomy; D004618:Embolism, Air / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D007431:Intraoperative Complications; D007601:Jugular Veins; D008297:Male; D011187:Posture; D014463:Ultrasonography