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22 Cards in this Set
- Front
- Back
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Hypoxemia |
a decrease in the oxygen saturation of the blood |
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Artifact |
additional electrical activity picked up by the electrocardiograph that interferes with the normal appearance of the ECG cycles. |
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Wheezing |
a contidnuous, high pitchedwhistling musical sound heard particularly during exhalation and sometimes during inhalation. |
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electrolyte |
a chemical substance that promotes oncduction of an electric current |
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cardiac cycle |
one complete heartbeat |
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Ischemia |
deficiency of blood in a body part |
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atherosclerosis |
buildup of bifrous plaques of fatty deposits and cholesterol on the inner walls of an artery that cause narrowing, obstruction and hardeing of the artery |
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peak flow rate |
the maximum valume of air that can be exhaled when the patient blows into a peak flow meater as forcefully and as rapidly as possible |
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ECG cycle |
the graphic representation of a heartbeat |
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spirometer |
an instrument for measuring air taken into and expelled from the lungs. |
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electrocardiograph |
the instrument used to record the electrical activity of the heart |
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interval |
the length of a wave or the length of a wave with a segment |
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baseline |
the flat horizontal line that separates the various waves of the ecg cycle |
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dysrythmia |
an irregular heart rate or rhythm; also termed arrhythmia |
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electrocardiogram(ECG) |
a graphic representation of the heart |
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electrode |
a conductor of electricity, which is used to promote contact between the body and the lectrocardiograph |
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flow rate |
the number of liters of oxygen per minute that come out of an oxygen delivery system |
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hypoxia |
a reduction in the oxygen supply to the tissues of the body |
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normal sinus rythm |
refers to an ECG that is within normal limits |
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oxygen therapy |
the administration of supplemental oxygen at concentrations greater than room air to treat or prevent hypoxemia |
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segment |
the protion of the ECG between two waves |
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spirometry |
measurement of an individual's breating capacity by means of a spiromer |
