There is evidence of acute diffuse subarachnoid blood (SAH) or there is focal clot near a site of expected saccular aneurysm.   [Yes/No]

There is evidence of acute intraaxial parenchymal blood.   [Yes/No]

There is evidence of acute intraventricular blood.   [Yes/No]

There is evidence of significant mass effect from the parenchymal hemorrhage.   [Yes/No]

There is evidence of secondary internal or external obstructive hydrocephalus.   [Yes/No]

There is evidence of an underlying post ischemic tissue edema in a recognizable arterial perfusion zone (i.e. arterial infarction).   [Yes/No]

There is evidence of blood products within the sella (hemorrhagic pituitary or ICA aneurysm).   [Yes/No]

There is evidence of an underlying extraaxial vascular lesion: saccular aneurysm, sacculofusiform aneurysm, dural sinus thrombosis.   [Yes/No]

There is evidence of an underlying intraaxial mass(es) lesion, as primary vascular brain tumor, metastatic tumor, AVM, cavernous angioma, thrombosed giant aneurysm.   [Yes/No]

There is evidence of acute thrombus within intracranial veins.   [Yes/No]

There is evidence of acute thrombus within intracranial arteries.   [Yes/No]

Other significant imaging findings are present.   [Yes/No]