Table 6.
Right heart parameters.
| Normal | |
|---|---|
| Males | |
| Indexed values | |
| RVED area (cm2/m2) | ≤13.6 |
| RA area (cm2/m2) | ≤11 |
| Absolute values | |
| RVOT proximal (mm) | 24–44 |
| RVOT distal (mm) | 16–29 |
| RVD1 (mm) | 26–47 |
| RVD2 (mm) | 19–42 |
| RVD3 (mm) | 55–87 |
| RA area (cm2) | ≤22 |
| Right heart function | |
| FAC (%) | ≥30 |
| Females | |
| Indexed values | |
| RVED area (cm2/m2) | ≤12.6 |
| RA area (cm2/m2) | ≤11 |
| Absolute values | |
| RVOT proximal (mm) | 20–42 |
| RVOT distal (mm) | 14–28 |
| RVD1 (mm) | 22–43 |
| RVD2 (mm) | 17–35 |
| RVD3 (mm) | 51–80 |
| RA area (cm2) | ≤19 |
| Right heart function | |
| FAC (%) | ≥35 |
FAC, fractional area change; RA, right atrial; RVD1, right ventricular basal diameter in diastole; RVD2, right ventricular mid-point diameter in diastole; RVD3, right ventricular length in diastole; RVED, right ventricular end-diastolic area, obtained from the RV-optimised apical 4-chamber view; RVOT distal, right ventricular outflow tract at the level of the pulmonary valve from the parasternal short axis window; RVOT proximal, proximal right ventricular outflow tract obtained from the parasternal short axis view.
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