Sub arachnoid hemorrhage Flashcards
1
Q
Hunt & Hess Classification
A
Grade 1 - asymptomatic or minimal headache - mild nuchal rigidity Grade 2 - mod to severe headache - nuchal rigidity - no neuro deficit other than CN palsy Grade 3 - drowsiness - confusion - mild focal deficit Grade 4 - stupor - hemiparesis - vegetative disturbance Grade 5 - deep coma - decerebrate - moribund
2
Q
World federation of neurological surgeons
A
Grade 1 - GCS 15 no motor deficit Grade 2 - GCS 13-14 No motor deficit Grade 3 - GCS 13-14 + motor deficit Grade 4 - GCS 7-12 with or without motor deficit Grade 5 - GCS 3-6 with or without motor deficit
3
Q
Non contrast CT brain changes in SAH
A
Initially increased attenuation in: - basal cisterns - sylvian fissures -interhemispheric fissure - septum pellucidium (ACOM) Aneurysm seen if > 5 mm Prominence of temporal horns of lat ventricles may present as non traumatic intraventricular hemorrhage Isodense at 48 hrs
