Distances between parts of the sinus node and the epicardium and endocardium of the terminal crest
| Epicardial distances (mm) | Endocardial distances (mm) | |||||||
|---|---|---|---|---|---|---|---|---|
| Minimum | Range | Maximum | Range | Minimum | Range | Maximum | Range | |
| Data are mean (SD). | ||||||||
| CBN, the most caudal boundary of the nodal body. | ||||||||
| Head | 1.5 (0.6) | 0.5–5 | 2.5 (0.5) | 2.0–5.1 | 2.3 (1.2) | 1–4.6 | 3.1 (1.1) | 2–5.2 |
| Body | 0.4 (0.2) | 0.1–2.5 | 1.5 (0.4) | 1.0–3.5 | 3.1 (0.5) | 0–4.8 | 3.9 (0.4) | 3.5–5.3 |
| CBN | 0.3 (0.1) | 0.1–2.1 | 1.4 (0.2) | 1.1–3.1 | 4.2 (0.4) | 2.3–4.6 | 4.8 (0.5) | 3.3–5.3 |
| Tail | 2.2 (0.5) | 1–3.4 | 3.1 (0.3) | 2.5–4.1 | 1.8 (0.5) | 0–5.6 | 3.9 (0.5) | 3.3–5.8 |