The distribution of macroscopic and microscopic findings in hypertrophic cardiomyopathy
| Sections of the heart | Total across all sections of the LV | Right ventricle | |||||
|---|---|---|---|---|---|---|---|
| Anterior septum | Posterior septum | Anterior wall | Posterior wall | Lateral wall | |||
| Wall thickness (mm) at base (range) | 18.9 (8–40) | 16.0 (6–35) | 19.5 (9–30) | 15.3 (8–29) | 15.3 (3.5–28) | 17.0 | 6.1 (2–12) |
| Wall thickness (mm) at mid level (range) | 20.2 (2–37) | 19.8 (5–35) | 18.0 (2–34) | 14.8 (5–27) | 16.7 (7–28) | 17.9 | 6.4 (2–15) |
| Wall thickness (mm) at apex (range) | 16.3 (7–28) | 16.1 (5–27) | 14.7 (3–28) | 14.9 (5–28) | 15.4 (5–28) | 15.5 | 5.9 (2–15) |
| % Disarray at base (range) | 26.7 (0–100) | 25.5 (0–90.5) | 24.5 (0–68.7) | 21.6 (0–93) | 15.55 (0–74.2) | 22.8 | 16.1 (0–64) |
| % Disarray at mid level (range) | 30.5 (0–81) | 26.3 (0–72.7) | 28.7 (0–80.5) | 18.9 (0–62.9) | 12.9 (0–71.4) | 23.5 | 17.1 (0–72.5) |
| % Disarray at apex (range) | 22.4 (0–65.8) | 24.8 (0–80.3) | 21.4 (0–78.7) | 22.1 (0–69.2) | 16.8 (0–74) | 21.5 | 14 (0–41.7) |
| % Fibrosis at base (range) | 2.83 (0.1–19.3) | 1.92 (0.05–8.6) | 3.47 (0.05–21.2) | 1.38 (0.03–5.27) | 1.9 (0.03–21.9) | 2.3 | 1.06 (0.02–7.7) |
| % Fibrosis at mid level (range) | 2.25 (0.1–23.8) | 2.8 (0.1–16.6) | 3.3 (0.1–18.5) | 2.3 (0.04–15.1) | 1.7 (0.03–21.9) | 2.5 | 1.06 (0.05–5.1) |
| % Fibrosis at apex (range) | 2.42 (0.05–15.8) | 3.42 (0.1–16.7) | 2.64 (0.1–16.83) | 2.33 (0.2–22.4) | 1.69 (0.1–16.9) | 2.5 | 1.77 (0.09–23.4) |
| % Small vessel disease at mid level (range) | 15.1 (0–53) | 13.7 (0–57.4) | 15.9 (0–64.2) | 14.5 (0–47.6) | 11.6 (0–39.5) | 14.2 | 14.6 (0–50) |
LV, left ventricle.