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Bonewit Chapter 12

chapter 12

QuestionAnswer
Amplitude refers to amount, extent, size, abundance, or fullness
artifact additional electrical activity picked up by the electrocardiograph that interferes with the normal appearence of the ECG cycles.
Artherosclerosis buildup of fibrous plaques of fatty deposits and cholesterol on the inner walls of the coronary arteries
baseline the flat horizontal line that seperates the various waves of the ECG cycle
Cardiac Cycle one complete heartbeat
dysrhythmia an irregular heart rhythm; also termed arrhythmia
ECG cycle the graphic representaion of a heartbeat
electrocardiogram the graphic representation of the electrical activity of the heart
electrocardiograph the instrument used to record the electrical activity of the heart
electrode a conductor of electricity, which is used to promote contact between the body and the electrocardiograph
electrolyte a chemical substance that promotes conduction of an electrical current
interval the length of a wave or the length of a wave with a segment
ischemia deficiency of blood in a body part
normal sinus rhythm refers to an ECG that is within normal limits
segment the portion of the ECG between 2 waves
spirometer an instrument for measuring air taken into and expelled from the lungs
spirometry measurement of an individual's breathing capacity by means of a spirometer
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