Oculocardiac Reflex (OCR)is an Intraoperative Emergency That Can Occur During

Multiple Choice

Oculocardiac reflex (OCR) is an intraoperative emergency that can occur during eye surgery.It is characterized by bradycardia that can lead to asystole,hypotension,and a wide range of other dysrhythmias attributable to negative inotropic and conduction effects.Select the definition of the response and contributing factor(s) .

A) Trigeminal-vagal response caused by pressure on the globe or retrobulbar block
B) Increased intracranial pressure response to traction on extraocular muscles
C) Adrenergic response to effect of retrobulbar block on the pituitary
D) Lidocaine toxicity caused by intravascular uptake of retrobulbar anesthetic