Vietnamese Rapid Acceleration Protocol for Intensifying Drug Therapy in Heart Failure With Reduced Ejection Fraction

This arm follows a structured algorithm for initiating and uptitrating all four pillars of HFrEF oral medications post-randomization (pre-discharge) and during at least 4 visits over 6 weeks post-discharge.

Patients will be managed by their cardiologist according to their usual practice. Follow-up appointments will be scheduled as per the cardiologist\'s instructions. Participants will return to the recruiting study site for clinical outcome assessment by study investigators at 90 and 180 days post-discharge.