Learning the art of ECG interpretation requires intellect, commitment, effort and — perhaps most importantly — an organized approach. I have spent thousands of hours (yes, thousands) looking at ...

A pulmonary embolism (PE) is a blood clot in one of the arteries in the lungs. It not only blocks blood flow in the lungs, but it can affect heart function by making the right side of the heart work ...

The rhythm is either sinus rhythm or not sinus rhythm. Sinus rhythm refers to the origination of the electrical activity coming from the sinus node — also known as the sinoatrial node, or SA node.