| CT | computed tomography |
| CTP | computed tomography perfusion |
| CV | cerebral vasospasm |
| DCI | delayed cerebral ischemia |
| IA | intra‑arterial |
| ICA | internal carotid artery |
| ICU | intensive care unit |
| mRS | modified Rankin Scale |
| NIHSS | National Institute of Health Stroke Scale |
| PTA | percutaneous transluminal angioplasty |
| aSAH | aneurysmal subarachnoid hemorrhage |
| Tmax | time to maximum |
| WFNS | World Federation of Neurological Society |
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