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TCD table
| Term | Definition |
|---|---|
| What vessels can you see In the transtemporal window? | MCA, term ICA, ACA, PCA |
| What vessels can you see in the transorbital window? | Ophthalmic |
| What vessels can you see in the transforaminal window? | VA & BA |
| What depth is the MCA when viewing in the transtemporal window? | 30-60 mm |
| What depth is the term ICA when viewing in the transtemporal window? | 55-65 mm |
| What depth is the ACA when viewing in the transtemporal window? | 60-80 mm |
| What depth is the PCA when viewing in the transtemporal window? | 60-70 mm |
| What depth is the ophthalmic when viewing in the transorbital window? | 40-60 mm |
| What depth is the VA when viewing in the transforaminal window? | 60-90 mm |
| What depth is the BA when viewing in the transforaminal view? | 80-120 mm |
| In what direction is the MCA in reference to the probe? | Towards the probe |
| In what direction is the Term ICA in reference to the probe? | Bidirectional |
| In what direction is the ACA in reference to the probe? | Away from the probe |
| In what direction is the PCA in reference to the probe? | Away from the probe |
| In what direction is the ophthalmic in reference to the probe? | Towards the probe |
| In what direction is the VA in reference to the probe? | Away from the probe |
| In what direction is the BA in reference to the probe? | Away from the probe |
| Velocity of MCA | 55+/-12 |
| Velocity of Terminal ICA | 55+/-12 |
| Velocity of ACA | 50+/-11 |
| Velocity of PCA | 39+/-10 |
| Velocity of Opthalmic | 21+/-5 |
| Velocity of VA | 38+/-10 |
| Velocity of BA | 41+/-10 |