Atrial fibrillation (AFib) is an irregular and often very rapid heart rhythm. An irregular heart rhythm is called an arrhythmia. AFib can lead to blood clots in the heart. The condition also increases the risk of stroke, heart failure and other heart-related complications.
Atrial flutter. Atrial flutter is similar to A-fib, but heartbeats are more organized. Episodes of atrial flutter may go away by themselves or may need treatment. People who have atrial flutter also often have A-fib at other times. Ventricular tachycardia. This irregular heart rhythm starts in the lower heart chambers, called the ventricles.
Diagnosis Atrial fibrillation (AFib) may be diagnosed when a health checkup is done for another reason. To diagnose AFib, the healthcare professional examines you and listens to your heart. You are usually asked questions about your medical history and symptoms. Tests may be done to look for conditions that can cause changes in the heartbeat, such as heart disease or thyroid disease.
Atrial flutter is a type of heart rhythm disorder, called an arrhythmia. It is similar to atrial fibrillation (AFib). But in atrial flutter the heart rhythm is more organized and less chaotic than in AFib. A person can have both atrial flutter and AFib. Atrial flutter may not cause symptoms. But some people may have a pounding, rapid heartbeat and chest pain. Fainting or almost fainting also ...
Blood-thinning medicines can lower the risk of stroke related to atrial fibrillation and other heart arrhythmias. If you have a heart arrhythmia, ask a healthcare professional if you need to take a blood thinner.
Inappropriate sinus tachycardia (IST). Multifocal atrial tachycardia (MAT). Junctional ectopic tachycardia (JET). Nonparoxysmal junctional tachycardia (NPJT). Symptoms The main symptom of supraventricular tachycardia (SVT) is a very fast heartbeat that may last for a few minutes to a few days. The heart beats 100 or more times a minute.