title: Partial expiratory limb obstruction by a foreign body abutting upon an Ohio 5400 Volume Monitor Sensor.
mesh_terms: D000768:Anesthesia, General; D000776:Anesthesiology / Q000295:instrumentation*; D005547:Foreign Bodies; D006801:Humans; D007385:Intermittent Positive-Pressure Ventilation; D008991:Monitoring, Physiologic / Q000295:instrumentation*