title: Venous air embolism.
abstract: This case report describes a new radiologic finding, that of an air-fluid level in the pulmonary artery. This is pathognomonic of venous air embolism when the patient has a chest film made in the upright position.
mesh_terms: D002408:Catheters, Indwelling / Q000009:adverse effects; D004618:Embolism, Air / Q000000981:diagnostic imaging* / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D011651:Pulmonary Artery / Q000000981:diagnostic imaging; D011859:Radiography; D013350:Subclavian Vein