Table 2.
Cardiovascular Magnetic Resonance–Derived Parameters in Patients With Suspected Heart Failure
| Parameters | Acronym | Units | Reference | |
|---|---|---|---|---|
| Systolic function | LV and RV end-diastolic volumes and indices | LVEDV(I), RVEDV(I), | mL, mL/cmheight, mL/m2BSA | 16,79,81 |
| LV and RV end-systolic volumes and indices | LVESV(I), RVESV(I) | mL, mL/cmheight, mL/m2BSA | ||
| LV and RV stroke volume and index | LVSV(I), RVSV(I) | mL, mL/cmheight, mL/m2BSA | ||
| LV and RV ejection fraction | LVEF, RVEF | % | ||
| Cardiac output and cardiac index | CO, CI | mL/min, mL/min/m2BSA | ||
| Regional and global systolic wall thickening | % | |||
| Regional or global measures of myocardial strain | Ecc | (%), (%)/s | ||
| Morphology | LV mass and indices | LVM | g, g/cmheight, g/m2BSA | 16,79,81 |
| Mean and maximum myocardial wall thickness | MWT | mm | ||
| Assessment of pericardium | mm | |||
| Wall stress | End-systolic wall stress | ESWS | N/m2×l000 | 30 |
| Diastolic function | Circumferential strain and strain rate | Ecc | (%), (%)/s | 82 |
| Peak untwisting rate | °/s | |||
| End-diastolic forward flow in pulmonary veins | ||||
| E/A ratio | E/A, Ea | 83 | ||
| Reversible acute injury | Edema (regional or global high signal intensity in T2-weighted images) | 84 | ||
| Irreversible injury, prognosis | Myocardial fibrosis (late enhancement) | % of LV mass or myocardial segment | 85 |
BSA indicates body surface area; E/A, early/atrial (late) ratio for ventricular filling; LV, left ventricular; N, Newton; and RV, right ventricular.