7 Cardiology Headlines You Missed in March 2026

March delivered a wave of impactful updates in cardiology, with major trial readouts, regulatory progress, and new guideline recommendations shaping the evolving landscape of cardiovascular care, many of which were highlighted at the American College of Cardiology’s Annual Scientific Session (ACC.26). From pulmonary arterial hypertension (PAH) to atrial fibrillation and hypertrophic cardiomyopathy, the month showcased continued momentum in both therapeutic innovation and clinical strategy.