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17 Cards in this Set
- Front
- Back
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Trace
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The production of a sketch by means of a stylus
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Amplifier
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A device on an ECG that enlarges the ECG impulses
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Stylus
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A pen; the ECG writer
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Artifacts
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Something extraneous to what is being looked for
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Standardization
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A mark made at the beginning of each lead to establish a standard of reference
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Galvanometer
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An instrument that measures electric current by electromagnetic action
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Somatic
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Pertaining to the body as distinguished from the mind; physical
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Interference
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Confusion of desired signals caused by undersired signals; as in artifacts on a ECG
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Augmented
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Refers to leads 4,5,6 of the standard 12-lead ECG tracing; these leads have different voltage
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Electrode
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An instrument with a point or a surface that transmits current to the patient's body
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Precordial
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Pertaining to the area of the chest wall over the hear, for the placement of ECG chest leads
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Repolarization
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Reestablishment of a polarized state in a muscle or nerve fiber following contraction or conduction of a nerve impulse
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Defibrillator
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A device designed to deliver electric shock to a patient, in an effort to stop pulseless ventricular fibrillation or ventricular tachycardia
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Arrhythmia
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Irregularity or lack of rhythm
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Intermittent
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Stopping and starting again at intervals
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Voltage
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A measure of electromotive force
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Atrial Depolarization
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The excitement and contraction caused by the SA node at the beginning of the cardiac cycle
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