A 63 yo female is noted to have left pupil irresponsive to light and is dilated. What is the most
probably dx?
a. Pontine hemorrhage
b. Subdural hemorrhage
c. Cerebellar hemorrhage
d. Extradural hemorrhage
e. Subarachnoid hemorrhage
answer: subdural hemorrhage (unequal pupils......SAH would have a severe headache)
Rupture of middle meningeal artery (branch of maxillary artery), often 2° to skull fracture.
ReplyDeletePresents with Lucid interval. Rapid expansion under systemic arterial pressure Žleads to transtentorial herniation which presents as CN III palsy(one of the early sign of TT herniation).