Advanced ECG Glossary Quiz 1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Flow of electric current through abnormal pathways. | Aberration
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| Normal (downward) directional flow of electrical impulse conduction through the heart. | Antegrade
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| Any abnormality within the heart's electrical conduction system, causing deviations from normal rate, rhythm, or time intervals. | Arrhythmia / Dysrhythmia
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| Erratic activity recorded on the electrocardiogram caused by electrical interference. | Artifact
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| Absence of all electrical activity occurring within the heart, literally, without systole, or contraction. Death of the heart. | Asystole
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| The two upper contractile chambers of the heart. | Atria
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| Erratic, uncoordinated activity of the atrial muscle fibers, with no effective contractions; P waves are unidentifiable. | Atrial fibrillation
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| 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
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| Rapid heart rate inexcess of 150 beats/minute resulting from ectopic foci within the atria, producing rapid ventricular response. | Atrial tachycardia
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| Varying degrees of conduction delay or obstruction within the AV node. | Atrioventricular block
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| 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
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| Specialized group of conductive tissues located at the base of the atrial septum just above the ventricular septum. | Atrioventricular junction (Node)
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| A common characteristic of all cardiac muscle that gives each muscle fiber the capability to act as an origin of impulse. | Automaticity
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| A recurring pattern of cardiac contractions in which there is an abnormal complex following each normal complex. | Bigeminy
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| 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
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| The prevention or delay of any impulse transmission through the normal pathways of the cardiac electrical conduction system. | Block
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| Slowing of the heart rate below the defined inherent rates of contraction. | Bradycardia
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| Divisions of conductive fibers located within the ventricular suptum | Bundle branches
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| 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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