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Adv ECG Quiz 1

Advanced ECG Glossary Quiz 1

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
Created by: ct program