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Types of Irregular Heartbeat

Atrial Fibrillation
Atrial Fibrillation

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. At least 2.7 million Americans are living with AFib.

source: heart.org
image: iahealth.net
Atrial Flutter
Atrial Flutter

Atrial flutter (AFL) is a type of abnormal heart rate, or arrhythmia. It occurs when the upper chambers of your heart beat too fast. When the chambers in the top of your heart (atria) beat faster than the bottom ones (ventricles), it causes your heart rhythm to be out of sync.

image: healio.com
Premature Ventricular Contractions (PVCs)
Premature Ventricular Contractions (PVCs)

If your heart feels out of rhythm or "flutters," especially when you have a lot of anxiety, it could be caused by premature ventricular contractions, or PVCs. They're the most common reason for arrhythmia, or an irregular heart rhythm.

source: webmd.com