Question | Answer |
Amplitude | refers to amount, extent, size, abundance, or fullness |
Artifacts | additional electrical activity picked up by the electrocardiograph that interferes with the normal appearance of the ECG cycles |
Artherosclerosis | buildup of fibous plaques of fatty deposits & 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 |
Flow rate | The number of filters of oxygen per minute that come out of an oxygen delivery system. |
Hypoxemia | A decrease in the oxygen saturated 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 a body part |
Normal sinus rhythm | refers to an ECG that is within normal limits |
dysrhythmia | an irregular heart rhythm; alter termed arrhythmia |
Oxygen therapy | The administration of supplemental oxygen at concentrations greater than room air to treat or prevent hypoxemia. |
Peak flow rate | The Max. volume of air that can be exhaled when the patient blows into a peak flow meter as forcefully and rapidly as possible |
segment | the portion of the ECG between two waves |
spirometer | an instrument for measuring air taken into & 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. |