Download Osteon (Haversian) System - Lone Star College System

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Transcript 
Cardiac Conduction System
Sinoatrial (SA) node
Atrioventricular (AV) node
Antrioventricular (AV) Bundle
(Bundle of His)
Right bundle branch
Left bundle branch
Purkinje Fibers
EKG = ECG =
electrocardiogram
Leads (limb leads)
P wave
Atrial Depolarization
QRS complex
Ventricular Depolarization
T wave
Ventricular Repolarization
Depolarization
Repolarization
Bradycardia
Resting heart rate under 60 bpm
Tachycardia
Heart rate exceeds 100 bpm
Fibrillation
Rapid, irregular, and unsynchronized contraction of muscle fibers
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