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Heather Taylor
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 appearance of the ECG cycles. |
Atherosclerosis | buildup of fibous 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; alter termed arrhythmia |
ECG cycle | the graphic representation of a heartbeat |
electrocardiogram | the graphic representation of the elctrical activity of the heart; known as ECG (or EKG) |
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 two waves |
spirometer | an instrument for measuring air taken into & expelled from the lungs |
spirometry | Measurement of a individuals breathing capacity by means of a spriometer. |