Variable | Unit | Normal |
Chamber dimensions | ||
RV basal diameter | cm | ≤4.1 |
RV wall thickness in subcostal view | cm | ≤0.5 |
RVOT diameter in PLAX view | cm | ≤3.01 |
RA end-systolic volume index | mL/m2 | ≤39 in men / ≤33 in women1 |
RA end-systolic area | cm2 | ≤18.5 |
Systolic function | ||
TAPSE | cm | ≥1.71 |
Pulsed Doppler peak annular velocity (S') | cm/s | ≥9.51 |
Pulsed Doppler MPI | – | ≤0.431 |
Tissue Doppler MPI | – | ≤0.54 |
FAC | percent | ≥35 |
3D-derived RVEF (percent) | percent | ≥451 |
Diastolic function | ||
E/A ratio | – | 0.8 to 2.1 |
E/E' ratio | – | ≤6 |
IVC diameter in subcostal view | cm | ≤2.11 |
IVC collapse during inspiratory sniff | percent | ≥501 |
Hepatic vein velocity ratio in subcostal view | – | Systolic > Diastolic |
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