When your electrical system is working normally, the two upper chambers of the heart (atria) contract and pump blood into the two lower chambers (ventricles) in a well-coordinated way. This results in ...

AN NFL COACH IS PUTTING HEART HEALTH IN THE SPOTLIGHT. CHARGERS HEAD COACH JIM HARBAUGH WALKED OFF THE FIELD YESTERDAY IN THE MIDDLE OF THE GAME. HE LATER TOLD REPORTERS HE WAS HAVING AN ATRIAL ...

This patient had classic atrial flutter with a cycle length of 240 msec prior to ablation. The P waves were deeply negative in ECG leads II, III, and aVF, and were initially upright in V1. Note that ...

Narrow QRS complexes occur regularly. This tracing suggests either atrial flutter or ventricular tachycardia. It is not atrial flutter, however. If it were, the QRS complexes occurring regularly would ...

If you are a nurse, doctor or other medical professional that deals with cardiac issues or ECG readings, you owe it to yourself and your patients to take an EKG interpretation course. An EKG ...