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Bonewit Chapter 12
chapter 12
Question | Answer |
---|---|
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 |