💊❤️ HFrEF's 4 GDMT pillars aren't interchangeable, they stack
ARNI, β-blocker, MRA & SGLT2i each ⬇️ all-cause mortality, with incremental and cumulative benefits 🛡️
Quadruple therapy: HR 0.39, ~5-6 yrs of life gained 📈
Stopping at 2–3 leaves survival on the table 🕯️