
Your Heart Rhythm: A Primer. Part 1 – Anatomy and Physiology
The next time the radio is on, tune to a Country/Western music station and listen to the lyrics. Some people say that all country music songs are about working hard, your mother (or father), the railroad, your dog, drinking, breaking up, or just hanging out. I think...

Your Heart Rhythm: A Primer. Part 2 – Electrical Activity of The Heart
This section of the article deals with basic ideas and concepts regarding the heart rhythm and the electrical signals that control the beating heart. Understanding the electrocardiogram is essential to appreciate the differences between different arrhythmias. If you...

Your Heart Rhythm: A Primer. Part 3 – Types of Cardiac Arrhythmias
Sinus Bradycardia Sinus bradycardia simply means that the sinus node, which normally controls the overall heart rate, is generating electrical signals that are slower than they normally should be. By definition, sinus bradycardia is present if the sinus node is...