pretreatment intravenously with nimodipine , a dihydropyridine class of ca2+ channel antagonist , improved flow in the territory of the occluded segment of the middle cerebral artery to 30.6 +/- 2.2 ml/100 g/min , while maintaining the brain ph at 6.83 +/- 0.03 .
C0028094
nimodipine
C0012315
dihydropyridine