
Heart arrhythmia - Symptoms and causes - Mayo Clinic
Oct 13, 2023 · A heart arrhythmia (uh-RITH-me-uh) is an irregular heartbeat. A heart arrhythmia occurs when the electrical signals that tell the heart to beat don't work properly.
What is an Arrhythmia? - American Heart Association
Sep 24, 2024 · Arrhythmias are abnormal heartbeats. The term “arrhythmia” refers to any change from the normal sequence of electrical impulses. Some arrhythmias are so brief (such as a temporary …
Arrhythmia: Symptoms & Treatment - Cleveland Clinic
Mar 20, 2023 · What is arrhythmia? An arrhythmia (also called dysrhythmia) is an abnormal heartbeat. Arrhythmias can start in different parts of your heart and they can be too fast, too slow or just irregular.
Arrhythmia: Symptoms, Types, Causes, Treatment, Prevention
Jul 9, 2025 · What is arrhythmia? An arrhythmia is a disorder of the heart that affects the rate or rhythm at which the heart beats; basically the way the electricity works.
Understanding Arrhythmia: Causes, Symptoms, and Treatment Options - WebMD
Sep 29, 2025 · What Is an Arrhythmia? An arrhythmia (pronounced as “ uh-RITH-me-uh”) is an irregular heartbeat. This means your heart is out of its usual rhythm. About 1.5%-5% of people have arrhythmias.
Arrhythmia - Wikipedia
Arrhythmias, also known as cardiac arrhythmias, are irregularities in the heartbeat, including when it is too fast or too slow. [2] . Essentially, this is anything but normal sinus rhythm.
Arrhythmias - What Is an Arrhythmia? | NHLBI, NIH
Mar 24, 2022 · An arrhythmia, or irregular heartbeat, is a problem with the rate or rhythm of your heartbeat. Your heart may beat too quickly, too slowly, or with an irregular rhythm. It is normal for …
Arrhythmia: Types, causes, symptoms, and treatment
May 22, 2024 · Arrhythmias — sometimes called dysrhythmias — occur when the electrical signals that coordinate heartbeats are not working correctly. The heart may beat too quickly, too slowly, too early, …
What Is an Arrhythmia? Causes, Symptoms, and Diagnosis - GoodRx
Aug 1, 2024 · An arrhythmia is an abnormal or irregular heartbeat. Some arrhythmias are harmless. But others can cause serious problems, including stroke or sudden death. The treatment for an …
Arrhythmias - Johns Hopkins Medicine
An arrhythmia means the heart is not beating in the proper rhythm. This can cause anything from minor symptoms all the way to cardiac arrest and death. Since different rhythm disturbances need different …