The Role of the Trochlear Nerve in Rotation

The trochlear nerve remains intact and that Interbates the superior oblique muscle. Horner syndrome is really unlikely here I don't know that I can explain how other than maybe with a hemorrhage It's going to cause central retinor retinal artery occlusion. A patient is given propofol 20 milligrams just before placement of a retro bulburo block With 3 ml of 0.5% bupivicane to provide ocular a canesia for ocular surgery Moments later apnea occurs followed by complete loss of consciousness The most likely etiology to explain this event is a subarachnoid injection of local anesthetic B effects of propofol