Mostly sunny. Patchy fog in the outer west early this morning. Slight (20%) chance of rain in the outer west later tonight. Near zero chance of rain elsewhere. Winds north to northwesterly 15 to 25 km/h becoming northerly 25 to 35 km/h in the morning.
Ophthalmic artery (OA) is the first intracranial branch of internal carotid artery (ICA). It arises soon after ICA emerges from cavernous sinus, follows a short intracranial course, transverses the optic canal, and enters the orbit.
Aetna considers intra-operative EMG monitoring during intra-cranial tumor resections experimental and investigational (unless the resection involves a cranial nerve) because there is insufficient evidence that this technique provides useful information to the surgeon.ntra-operative monitoring of the function of CNs by means of electromyography (EMG), compound nerve and muscle action potentials (MAP), and auditory evoked potentials (AEP) has been used to reduce the risk of injuries to these nerves.