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. 2020 Jan 28;7(1):G1–G18. doi: 10.1530/ERP-19-0050

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.