How to Manage a Rapid Heartbeat

A rapid heartbeat can be caused by several types of heart rhythm disorders, including sinus tachycardia, supraventricular tachycardia (SVT), and ventricular tachycardia (VT). Although all three conditions involve a faster than normal heart rate, they differ in origin and treatment approaches. Sinus tachycardia is often a normal physiological response to certain situations such as stress, anxiety, or physical activity like running or exercising. In most cases, the heart rate returns to normal after rest and relaxation, without the need for medical intervention.

Understanding Supraventricular Tachycardia

Supraventricular tachycardia refers to a group of arrhythmias that originate above the heart's ventricles, such as atrial tachycardia or atrial flutter. These conditions are typically linked to underlying health issues and require medical evaluation. Unlike sinus tachycardia, SVT often needs targeted treatment, which may include antiarrhythmic medications or procedures like radiofrequency ablation to correct the abnormal heart rhythm.

The Seriousness of Ventricular Tachycardia

Ventricular tachycardia is a more serious condition that originates in the heart's lower chambers and can be life-threatening. If left untreated, VT can lead to ventricular fibrillation, a chaotic rhythm that can cause sudden cardiac arrest. People experiencing symptoms of VT—such as dizziness, shortness of breath, or chest pain—should seek immediate medical attention. In some cases, doctors may recommend the implantation of an internal cardioverter-defibrillator (ICD) to monitor and correct dangerous rhythms automatically.

Getting a Proper Diagnosis

While these three types of tachycardia all involve a fast heartbeat, their causes and implications are distinct. If you feel your heart racing or experience unexplained palpitations, it's essential to see a healthcare provider for an electrocardiogram (ECG) or other diagnostic tests. Accurate diagnosis is key to determining the appropriate treatment and managing your heart health effectively.