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chpt 12
kelsie mitchell
Question | Answer |
---|---|
amplitude | refers to amount,extent, size, abundance, or fullness |
artifact | additional electrical activity picked up by the electrical cardiograph that interferes with the normal appearance of the ECG cycles |
atherosclerosis | build up of fibrous plaques of fatty deposits and cholesterol on the inner walls of the coronary arteries |
baseline | the flat horizontal line that separates the various waves of the ECG cycle |
cardiac cycle | one complete heartbeat |
dysrhythmia | an irregular heart rhythm; also termed arrhythmia |
ECG cycle | the graphic representation of the heartbeat |
electrocardiogram ECG | 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 | chemical substance that promotes conduction of an electrical current |
interval | the length o a wave or the length of a wave or the length of a wave with a segment |
ischemia | deficiency of the blood in a body part |
normal sinus rhythm | refers to an ECG between two waves |
segment | the portion of the ECG between two 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 spirometer |