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 fibrous plaques of fatty deposits and cholesterol on the inner walls of an artery that causes narrowing, obstruction, and hardening of the artery |
BASELINE | The flat horizontal line that separates the various waves of the ECG cycle |
CARDIAC CYCLE | One complete heartbeat |
DYSRHYTHMIA | An irregular heart rate or rhythm: also termed arrhythmia |
ECG CYCLE | The graphic representation of a 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 electrocardiograph |
ELECTROLYTE | A chemical substance that promotes conduction of a electrical current |
FLOW RATE | The number of liters of oxygen per minute that come out of an oxygen delivery system |
HYPOXEMIA | A decrease in the oxygen saturation of blood |
HYPOXIA | A reduction in the oxygen supply to the tissues of the body |
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 |
OXYGEN THERAPY | The administration of supplemental oxygen at concentrations greater than room air to treat or prevent hypoxemia |
PEAK FLOW RATE | The maximum volume of air that can be exhaled when the patient blows into a peak flow meter as forcefully and as rapidly as possible |
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 a spirometer |
WHEEZING | A continuous, high-pitched whistling musical sound heard particularly during exhalation and sometimes during inhalation |