How do antiarrhythmic drugs work to control afib?

May 14, 2024 ... What causes atrial fibrillation (AFib)?. AFib is most often caused by changes to the heart's tissue or the electrical signaling that helps the ... What is atrial fibrillation? Atrial fibrillation (AF), also called Afib, is a condition which causes an irregular and often rapid heart rate. It can lead to ... May 28, 2024 ... While pacemakers are not a cure for AFib, they can effectively manage irregular heartbeats, in combination with medications. Fitbit Irregular Rhythm Notifications analyze your heart rhythm data for signs of AFib.Expand all Collapse all What is AFib? Atrial fibrillation (AFib) is a ... Feb 25, 2025 ... Atrial fibrillation is an irregular and often fast heart beat that can cause poor blood flow. Usually known as AFib, it is becoming more common. Key takeaways · Atrial fibrillation (AF or Afib) is a type of arrhythmia in which your heart beats irregularly and often fast. · This reduces your heart's ... Jan 1, 2021 ... Atrial Fibrillation, or AFib, occurs when the heart beats irregularly, which can lead to heart failure. Charles Lanzarotti, MD, your heart ... The ventricular rate can be regarded as "controlled" when the cardiac output/ventricular rate slope is positive and "uncontrolled" when the slope is negative. Mar 26, 2025 ... Quick Facts ... Atrial fibrillation is an irregular heartbeat, or arrhythmia. Atrial fibrillation, also known as AFib or AF, can lead to blood ... Feb 20, 2023 ... Atrial fibrillation (AFib) is a heart rhythm disorder characterized by irregular heartbeats in the heart's upper chambers, called the atria.