Stroke from Vasospasm due to Marijuana Use: Can Cannabis Synergistically with Other Medications Trigger Cerebral Vasospasm?

Figure 3

MR angiogram demonstrating patent left MCA. However, if we compare it to the right MCA, there still seems to be some residual stenosis. This MRA was done, a few hours after the initial CT angiogram and at the time patient started to show some fluctuating improvement in his exam.