Lab Ex. 42 & 43 The Cardiac Cycle

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Updated March 2006: D. Tucker, RPh, BCPS
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Presentation transcript:

Lab Ex. 42 & 43 The Cardiac Cycle

Cardiac Conduction System

Sinoatrial (SA) node

Atrioventricular (AV) node

Antrioventricular (AV) Bundle (Bundle of His)

Left bundle branch

Right bundle branch

Purkinje Fiber

EKG = ECG = electrocardiogram

P wave (atrial depolarization)

QRS complex (ventricular depolarization)

T wave (ventricular repolarization)

Depolarization

Repolarization

Leads (limb leads)

Lead configuration

Types

Normal

Bradycardia

Tachycardia

Fibrillation

Next: Lab Ex. 38, 39 & 40 Blood Testing

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