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What Is Atrial Fibrillation (AFib)? Causes, Symptoms, and Treatment
Atrial fibrillation is a common abnormal heart rhythm that can cause rapid heartbeat and increase stroke risk. Learn how doctors diagnose and treat AFib.
Why Does the Heart Beat Irregularly? Understanding Arrhythmias
Arrhythmias are abnormal heart rhythms that can cause the heart to beat too fast, too slow, or irregularly. Learn how doctors diagnose and treat them.
EKG The Electrical Map
An electrocardiogram, or EKG, records the heart’s electrical activity. In emergency medicine, it helps detect heart attacks, rhythm disorders, and dangerous electrolyte changes within minutes.