Right atrium

RA size

RA pressure

RA strain

RA size

RA size and volume
VariableReference value
MENWOMEN
RA major dimension (mm)< 53 < 53
RA minor dimension (mm)< 44 < 44
RA area end-diastolic (c\mm)< 18 < 18
RA major dimension index (cm/m²)2,4 ± 0,32,5 ± 0,3
RA minor dimension index (cm/m²)1,9 ± 0,31,9 ± 0,3
RA Volume index (ml/m²)25 ± 721 ± 6

RA pressure

RA estimated pressure
Inferior Vena Cava size (mm)IVC collaps (%)Estimation RA pressure (mmHg)
<21>503 (range 0–5)
<21< 508 (range 5–10)
>21>508 (range 5–10)
>21< 5015 (range 10- 20)

RA strain

RA strain
ALLMENWOMEN
RA reservoir strain, % 45,8 ± 13,0 44,6 ± 12,547,0 ± 13,4*
RA conduit strain, % 18,4 ± 7,5 17,8 ± 7,0 19,1 ± 7,9*
RA contractile strain, % 27,6 ± 9,727,0 ± 9,328,2 ± 10,1*
*pVal .05

References

Eur Heart J Cardiovasc Imaging. 2015 Mar;16(3):233-70
Eur Heart J Cardiovasc Imaging (2017) 18, 1301-1310
J Am Soc Echocardiogr. 2021 Mar;34(3):286-300.