Beta blockers — like metoprolol, atenolol, carvedilol, and bisoprolol — are medications that help slow your heart rate down 🫀. They work by blocking adrenaline’s effects ⚡, helping your heart beat more steadily and preventing it from racing out of control. In atrial fibrillation (AFib), they’re used for rate control — meaning they help keep your heart from going too fast when it slips out of normal rhythm. ✅ When they help: keeping heart rate steady & manageable ⚠️ When they don’t: fixing the r

Beta blockers: how do they work and do they have side effects?