7
HFrEF
• LVEF ≤40%
HFimpEF
• LVEF >40%
HFmrEF
• LVEF 41%–49%
HFpEF
• LVEF ≥50%
HFrEF
• LVEF ≤40%
HFmrEF
• LVEF 41%–49%
HFrEF
• LVEF ≤40%
HFrEF
• LVEF ≤40%
HFmrEF
• LVEF 41%–49%
*
• LVEF ≥50%
HFpEF
• LVEF ≥50%
Figure 3. Classification and Trajectories of HF Based on
LVEF
* ere is limited evidence to guide treatment for patients who improve their LVEF from mildly
reduced (41%-49%) to ≥50%. It is unclear whether to treat these patients as HFpEF
or HFmrEF.