Echocardiographic (A) and cardiovascular magnetic resonance (B) reference values of RV and right atrial size and function in healthy adults
| Abnormal | |
|---|---|
| (A) Echocardiography | |
| RV diameter (mm) | |
| Base* | >41 |
| Midventricular level* | >35 |
| Length* | >83 |
| RV wall thickness (subcostal view) (mm) | >5 |
| RA end-systolic area (mm2) | >18 |
| RA volume (mL/m2) | >30 |
| Systolic function | |
| TAPSE (mm) | <17 |
| Pulsed Doppler peak S′ (m/s) | <9.5 |
| RV fractional area change (%) | <35 |
| RV 3D EF (%) | <45 |
| Diastolic function | |
| E/E′ ratio | >6 |
| Tissue Doppler MPI | >0.54 |
| (B) Cardiovascular magnetic resonance | |
| End-diastolic volume/BSA (mL/m2) | >108 |
| End-systolic volume/BSA (mL/m2) | >48 |
| EF (%) | <50 |
| Mass/BSA (g/m2) | >46 |
BSA, body surface area; MPI, myocardial performance index; RA, right atrium; TAPSE, tricuspid annular plane systolic excursion.