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Distribution, frequency, and dose of intra-arterial verapamil infusion
| Vessel Segment | Frequency (n = 720) | Median Dose (mg) (range) |
|---|---|---|
| ICA | 536 | 10.0 (2.0–30.0) |
| Vertebral artery | 144 | 8.1 (2.0–20.0) |
| A1 ACA | 26 | 7.5 (5.0–30.0) |
| CCA | 8 | 15.0 (5.0–15.0) |
| M1 MCA | 4 | 10.0 (10.0–10.0) |
| A2 ACA | 1 | 10 |
| Proatlantal artery | 1 | 5 |
