Variables used to assess left ventricular function
| Variable | High-risk values | Recommended for use? |
|---|---|---|
| Left ventricular ejection fraction4,5 | < 50% | American College of Cardiology/American Heart Association (AHA/ACC): class I (should be used) European Society of Cardiology (ESC): class I |
| Left ventricular hypertrophy5 | ≥ 15 mm | ACC/AHA: not currently recommended ESC: class llb (may be considered) |
| Indexed left atrial area8 | ≥ 12.2 cm2/m2 | Not currently recommended |
| B-type natriuretic peptide level31 | >130 pg/mL | Not currently recommended |
| Global left ventricular longitudinal strain8 | < 15.9% | Not currently recommended |