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Left carotid angiogram at the initiation of continuous local intra-arterial (IA) nimodipine infusion day 9 (three short local IA nimodipine administrations were done on days 7, 8, and 9 after coil embolization). (A) Severe vasospasm is seen in the A1, A2, and M2 branches. (B) Partial resolution after 4 mg nimodipine in 30 minutes but still severe vasospasm in A2.
