The QUALIFY international registry conducted on 6112 patients previously hospitalized for HF showed that adherence to guideline recommendations for angiotensin‐converting enzyme inhibitors, sartans, beta‐blockers, mineralocorticoid receptor antagonists, and ivabradine was associated with better prognosis in patients with >50% of recommended dosages at baseline.9 The gene discussed is NR3C2; the disease is hydrops fetalis.