Settings for PRF, B-mode and colour Doppler frequency for large vessels
| Arteries/veins | PRF (KHz) | B-mode Frequency (MHz) | Colour Frequency (MHz) |
|---|---|---|---|
| Temporal, facial arteries | 2–3 | 10–22 | 8–12 |
| Wrist, digital, foot arteries | 1–1.5 | 8–18 | 7–10 |
| Occipital arteries | 1 | 6–15 | 4–7 |
| Axillary, brachial arteries | 2.5–3.5 | 6–15 | 4–7 |
| Carotid arteries | 3–4 | 5–12 | 4–7 |
| Vertebral arteries | 1 | 4–8 | 3–6 |
| Femoral, popliteal arteries | 2–3 | 4–8 | 3–6 |
| Veins of arms and legs | 1 | 4–12 | 2–6 |
| Abdominal aorta | 2–3 | 3–7 | 2–5 |