No more painful bouts of AFib. Can this be due to the stopping of Bisoprolol?

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Atrial fibrillation (also called AFib or AF) is a quivering or irregular heartbeat (arrhythmia) that can lead to blood clots, stroke, heart failure, and other heart-related complications. Normally, your heart contracts and relaxes to a regular beat. In atrial fibrillation, the upper chambers of the heart (the atria) beat irregularly (quiver) instead of beating effectively to move blood into the ventricles. If a clot breaks off, enters the bloodstream, and lodges in an artery leading to the brain, a stroke results. About 15 to 20 percent of people who have strokes have this heart arrhythmia. This clot risk is why patients with this condition are put on blood thinners. The cornerstones of atrial fibrillation management are rate control and anticoagulation, and rhythm control for those symptomatically limited by AF. The clinical decision to use a rhythm-control or rate-control strategy requires an integrated consideration of several factors, including the degree of symptoms, the likelihood of successful cardioversion, the presence of comorbidities, and candidacy for AF ablation. Ideally, to treat atrial fibrillation, the heart rate and rhythm are reset to normal. Cardioversion can be conducted in two ways: Electrical cardioversion: In this brief procedure, an electrical shock is delivered to your heart through paddles or patches placed on your chest. The shock stops your heart's electrical activity momentarily. When your heart begins again, the hope is that it resumes its normal rhythm. The procedure is performed during sedation, so you should not feel the electric shock. Cardioversion with drugs: This form of cardioversion uses medications called antiarrhythmics to help restore normal sinus rhythm. Depending on your heart condition, your doctor may recommend trying intravenous or oral medications to return your heart to a normal rhythm. This is often done in the hospital with continuous monitoring of your heart rate. If your heart rhythm returns to normal, your doctor often will prescribe the same antiarrhythmic medication or a similar one to try to prevent more spells of atrial fibrillation. After electrical cardioversion, your doctor may prescribe antiarrhythmic medications to help prevent future episodes of atrial fibrillation. Medications may include Dofetilide, Flecainide, Propafenone, Amiodarone, and Sotalol. Consult your specialist doctor, discuss with him or her, and with their consent, take the medicines. Consult your cardiologist, get a 2D (two-dimensional) echocardiogram and a 24-hour Holter done, and follow the following medicines and procedures. They are not withdrawal symptoms. A full evaluation is required.