Afib vs SVT- What’s the Difference? Here’s the short answer: Afib stands for irregular heartbeat while SVT stands for rapid heartrate. Despite what you might think, they’re very different. Carvedilol is the generic form of Coreg and I don't think there is a substitute for it. It helps correct your heart beat or rather helps you maintain a regular heart beat. Carvedilol tablets are usually given twice daily. For high blood pressure, the dose is 6.25 mg twice daily to a maximum of 25 mg twice daily. For congestive heart failure, the dose is 3.25 mg twice daily to a maximum of 25 mg twice daily. AFib affects both heart rate and heart rhythm. Your doctor may give you medications for each of these issues. The first step is to control your heart rate. Carvedilol is a beta-blocker. Beta-blockers affect the heart and circulation (blood flow through arteries and veins). Carvedilol is used to treat heart failure and hypertension (high blood pressure). DESCRIPTION. Betapace/Betapace AF contains sotalol hydrochloride, an antiarrhythmic drug with Class II (betaadrenoreceptor blocking) and Class III (cardiac action potential duration prolongation) properties. About Atrial Fibrillation: A condition where there is disorganised electrical conduction in the atria, resulting in ineffective pumping of blood into the ventricle. Carvedilol (Coreg) Considerations for Use* US/FDA Approved Indication: Heart Rate Control for Atrial Fibrillation Atrial fibrillation (AFib) is the most common type of serious heart arrhythmia. It’s caused by abnormal electrical signals in the heart. These signals cause your atria, the upper chambers of. What is Atrial Fibrillation (AFib)? Atrial fibrillation, also called AFib, is a heart condition that causes an irregular and often abnormally fast heart rate, that can lead to blood clots, stroke, heart failure and other heart-related complications.