EKG Vocab A-D

Front

Largest artery in the body; carries oxygenated blood from the heart.

Back

Aorta

Front

Apex

Back

Lower, pointed end of the heart

Front

AV Node

Back

Specialized tissue regulating impulses between atria and ventricles.

Front

Atrium

Back

Muscular pouch that fills with blood; top chamber of the heart

Front

Automaticity

Back

Ability of cardiac cells to spontaneously generate electrical activity.

Front

Electrically neutral area on the EKG; isoelectric line/TP segment; establishes a pattern for comparison.

Back

Baseline

Front

Bradycardia

Back

Slow heart rate

Front

Conduction system part transmitting impulses from AV node to Purkinje fibers for ventricular depolarization.

Back

Bundle Branch

Front

Arteries supplying oxygenated blood to the myocardium

Back

Coronary Arteries

Front

Opening sodium & potassium channels on cardiac cells; loss of polarity causes heart muscle contraction.

Back

Depolarization