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Fig 4. Illustrative case 12. A, Baseline angiogram on day 6 documents severe vasospasm in the left M1 and M2 segments (arrows). B, DSA obtained 10 minutes after the injection of 1.6-mg nimodipine reveals reduction of the vasospasm (arrows). C, PCT approximately 24 hours after IAN demonstrates a reduction of MTT and Tmax. D, No ischemic lesions are documented on the CT scan obtained at the time of discharge.
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