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Adv ECG Quiz 1
Advanced ECG Glossary Quiz 1
| Question | Answer |
|---|---|
| Flow of electric current through abnormal pathways. | Aberration |
| Normal (downward) directional flow of electrical impulse conduction through the heart. | Antegrade |
| Any abnormality within the heart's electrical conduction system, causing deviations from normal rate, rhythm, or time intervals. | Arrhythmia / Dysrhythmia |
| Erratic activity recorded on the electrocardiogram caused by electrical interference. | Artifact |
| Absence of all electrical activity occurring within the heart, literally, without systole, or contraction. Death of the heart. | Asystole |
| The two upper contractile chambers of the heart. | Atria |
| Erratic, uncoordinated activity of the atrial muscle fibers, with no effective contractions; P waves are unidentifiable. | Atrial fibrillation |
| Rapid depolarization of the atria thought to be the result of two or three ectopic foci discharging independently, giving sawtooth appearance of the P waves. | Atrial flutter |
| Rapid heart rate inexcess of 150 beats/minute resulting from ectopic foci within the atria, producing rapid ventricular response. | Atrial tachycardia |
| Varying degrees of conduction delay or obstruction within the AV node. | Atrioventricular block |
| The atria are being paced by a sinoatrial impulse, and another site, usually within the AV node, is sending additional regular impulses to the ventricles. | Atrioventricular dissociation |
| Specialized group of conductive tissues located at the base of the atrial septum just above the ventricular septum. | Atrioventricular junction (Node) |
| A common characteristic of all cardiac muscle that gives each muscle fiber the capability to act as an origin of impulse. | Automaticity |
| A recurring pattern of cardiac contractions in which there is an abnormal complex following each normal complex. | Bigeminy |
| Referring to the positive and negative deflection of components of the P-QRS-T complex. Wave is recorded both above and below the isoelectric line. | Biphasic |
| The prevention or delay of any impulse transmission through the normal pathways of the cardiac electrical conduction system. | Block |
| Slowing of the heart rate below the defined inherent rates of contraction. | Bradycardia |
| Divisions of conductive fibers located within the ventricular suptum | Bundle branches |
| Also referred to as a common bundle, extendes down from the AV node and divided into the right and left bundle branches | Bundle of his |
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