Arrhythmias
What Are Arrhythmias? Arrhythmias are abnormal heartbeats usually caused by an electrical “short circuit” in the heart. The heart normally beats in a consistent pattern, but an arrhythmia can make it beat too slowly, too quickly, or irregularly. This can cause the heart to pump inconsistently, leading to symptoms like fatigue, dizziness, and chest pain. What Causes Them? …