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Bonewit Ch.12
Bonewit Ch.12 (Kayla Sharp)
| Term | Definition |
|---|---|
| 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 cycle. |
| 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 that separates the various waves of the ECG cycle. |
| Cardiac cycle | One complete heartbeat. |
| Dysrhythmia | An irregular heart rate 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 the electrocardiograph. |
| Electrolyte | A chemical substance that promotes conduction of an 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 the 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 the 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 hypoxia. |
| 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. |
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