An EKG (electrocardiogram) provides real-time insights into the heart’s ... a six-second strip, measure the R to R intervals between QRS segments and determine if the rhythm is regular or ...

While both conditions present with rapid heart rates, their ECG characteristics ... Be sure to run long enough rhythm strips to appreciate rate changes or to catch the onset or offset of tachycardia.

Sinus bradycardia, or a slow heart rate, can be a sign of cardiovascular health in healthy young adults and endurance athletes. It can also be a sign of an underlying condition requiring medical ...

The reader's rapid assimilation of medical concepts is the key to the continuing success of this best-selling book.