Oculocardiac reflex causing bradycardia in a trauma patient following firearm injury.

The oculocardiac reflex is a vagal response to pressure on the globe or periorbital structures resulting in a reduction in heart rate greater than 20 %. Here, we describe the case of a patient who sustained extensive craniofacial and orbital trauma from a firearm injury whose otherwise unexplained bradycardia resolved following surgical decompression.