Current US guidelines recommend the following ambitious time benchmarks [19]:
| Action | Time |
| Door to physician | £ 10 minutes |
| Door to stroke team | £ 15 minutes |
| Door to CT initiation | £ 25 minutes |
| Door to CT interpretation | £ 45 minutes |
| Door to drug (³ 80% compliance) | £ 60 minutes |
| Door to stroke unit admission | £ 3 hours |
