Beta-Blockers for Fast Heart Rates
How It Works
Beta-blockers help slow the heart rate by blocking the effect of the hormone adrenaline. This reduces the number of electrical impulses that pass through the Reference atrioventricular (AV) node Opens New Window to the lower heart chambers (ventricles).
|By:||Reference Healthwise Staff||Last Revised: August 9, 2012|
|Medical Review:||Reference Rakesh K. Pai, MD, FACC - Cardiology, Electrophysiology
Reference John M. Miller, MD, FACC - Cardiology, Electrophysiology