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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.
Why Do People Suddenly Pass Out? Understanding Syncope
Syncope is a sudden loss of consciousness caused by reduced blood flow to the brain. Learn the causes of fainting and how doctors evaluate it