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regular, irregular, fast, slow, wide, narrow, stable, unstable. Does looking at a 12-lead ekg put your own heart into a lethal rhythm? Nurses are usually the first ones to read that hot off the press ekg tracing. A 12-lead ekg is considered the gold standard however, a 4 lead ekg can also diagnose different heart conditions. Ecg paper is a grid where time is measured along the horizontal axis. (3) the basic ekg diagram and ekg paperstrip, and (4) the 6-step method for ekg interpretation this book provides a quick but detailed information about reading ekg. An ekg machine records these electrical signals over several heart beats and produces an rhythm strip or 12 lead chart. Summary of how to read an ekg a normal ekg recording consist of components which mark electrical events in the heart. Ekg strips lessons - introduction the focus of this introductory ekg course is to provide a tutorial about the main features of ekgs along with a method for analyzing ecgs. This method includes assessment of rhythm, calculating heart rate, observing p-wave forms, measurement of intervals and segments and the evaluation of other relevant waves. An ekg is a procedure that allows doctors to measure the beats of your heart, in order to determine the condition of your heart. Once an ekg has been completed, the medical professional will receive what is called an ekg strip, which will show the electrical activity your heart displayed during the ekg. To read an ekg practice test strip, begin by counting the number of qrs-complexes in a six-second interval and multiplying that number by 10 to determine the heart rate.