Atrial fibrillation is an arrhythmia where the upper heart chambers contract rapidly due to irregular electrical signals, explains the National Heart, Lung, and Blood Institute. During atrial fibrillation, the electrical... More »

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Rapid ventricular response, or RVR, is a serious complication of atrial fibrillation and requires medical treatment, according to Healthline. On its own, atrial fibrillation, sometimes abbreviated afib or AF, may or may ... More »

www.reference.com Health Conditions & Diseases Cardiac Health

According to WebMD, atrial fibrillation, also known as AFib, may put patients at risk of heart failure and stroke. Atrial fibrillation is a medical condition in which the heartbeat rhythm is abnormal. It causes an elevat... More »

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After treatment of Afib, or atrial fibrillation, it is recommended that patients address underlying causes and reduce risk factors, according to the National Heart, Lung, and Blood Institute. Medications and lifestyle ch... More »

www.reference.com Health Conditions & Diseases Cardiac Health

There are four main types of irregular heartbeats, also known as arrhythmia, including premature or extra beats, supraventricular arrhythmias, ventricular arrhythmias and bradyarrhythmias, according to the National Heart... More »

www.reference.com Health Conditions & Diseases Cardiac Health

A cardiac dysrhythmia, better known as arrhythmia, is an irregular heartbeat, according to the National Heart, Lung and Blood Institute. There are many different types of arrhythmias. More »

www.reference.com Health Conditions & Diseases Cardiac Health

A small heart or aortic aneurysm, which is a bulge that develops on the wall of the aorta, can be treated with medications like beta-blockers and calcium channel blockers for underlying causes of the problem that can inc... More »

www.reference.com Health Conditions & Diseases Cardiac Health