title: Evaluation of an ultrasonic device (Doppler) for the diagnosis of venous air embolism.
mesh_terms: D006328:Cardiac Catheterization; D002574:Cervical Vertebrae / Q000601:surgery; D003388:Cranial Fossa, Posterior / Q000601:surgery; D004618:Embolism, Air / Q000175:diagnosis*; D005069:Evaluation Studies as Topic; D006325:Heart Atria; D006326:Heart Auscultation; D006801:Humans; D007796:Laminectomy; D009493:Neurosurgery / Q000295:instrumentation*; D011183:Postoperative Complications / Q000175:diagnosis; D011187:Posture; D012886:Skull / Q000601:surgery; D014277:Trigeminal Neuralgia / Q000601:surgery; D014463:Ultrasonography; D014680:Veins