Keyword
Oculocardiac reflex
Definition
Traction on the extraocular muscles or pressure on the globe causes bradycardia, atrioventricular block, ventricular ectopy, or asystole.
Pathophysiology
The reflex is trigeminovagal.
Treatment
Prevention
Intravenous atropine or glycopyrrolate can be effective
Pretreatment may be indicated in patients with a history of
Reference
Miller’s Anesthesia, 8th edition, Ch.84, P.2513