Version July 2025
| Aorta | |
| Sinus of Valsalva | M: ≤4 cm; F: ≤3.6 cm |
| Ascending aorta | M: ≤3.8 cm; F: ≤3.5 cm |
| Left atrium | |
| Anteroposterior dimension (parasternal long axis) | M: 3 to 4 cm; F: 2.7 to 3.8 cm |
| Indexed volume | 16 to 34 mL/m2 |
| Left ventricle | |
| Interventricular septum end-diastolic thickness | M: 0.6 to 1 cm; F: 0.6 to 0.9 cm |
| Posterior wall end-diastolic thickness | M: 0.6 to 1 cm; F: 0.6 to 0.9 cm |
| End-diastolic chamber dimension | M: 4.2 to 5.8 cm; F: 3.8 to 5.2 cm |
| Inferior vena cava | |
| 1 to 2 cm from right atrial junction | ≤2.1 cm |
| Coronary sinus | |
| ≤1 cm | |
