Extra heartbeats: should I be worried?

The occasional feeling of butterflies in the chest can be a disturbing experience for some people. Generally when the heart skips, or has an extra beat, it’s not usually

Heart arrhythmia - Symptoms and causes - Mayo Clinic

Sinus Arrhythmia: Causes, Symptoms and Treatment

Arrhythmia: How an Abnormal Heartbeat Leads to Sudden Cardiac Arrest - HealthXchange

5 Common Causes of a Skipped Heartbeat or Heart Palpitations - Keck Medicine of USC

Anxiety and arrhythmia

Reasons Your Heart Just Skipped a Beat and When to Worry

Irregular heartbeat: symptoms and causes • Heart Research Institute

Can Anxiety Cause a Slower Heart Rate?

What Heart Palpitations and Irregular Heartbeats Look Like on Your Watch ECG