Cynthia Petersen

What Is the QRS Complex and What Does It Indicate?

What Is Normal Sinus Rhythm With Sinus Arrhythmia?

What Is a Normal Atrial Rate & When to Be Concerned?

Does Atrial Fibrillation Ever Go Away Completely?

ECG Abnormalities: Types, Causes, and Next Steps

How Long Can Heart Palpitations Last: Seconds to Days

My Pulse Is 100 BPM: Causes and When to Act

What Does Bigeminy Mean? Causes, Symptoms & Treatment

Are PVCs the Same as Palpitations?

How Does a Normal EKG Look? A Visual Breakdown

How Long After Quitting Smoking Will My Palpitations Stop?

How Long of a Heart Pause Is Concerning?

Does Dehydration Cause Bradycardia or Tachycardia?

What Causes Atrial Flutter? Triggers and Conditions

How Long Should You Be in Afib Before Going to the Hospital?

Why Can’t I Feel My Heartbeat With My Hand?

Ventricular Rate vs. Heart Rate: What’s the Difference?

Is AFib Regularly or Irregularly Irregular?

How Can I Improve My Breathing With Afib?

Can a Hiatal Hernia Affect Heart Rate?