ElectroCardioGraphy ECG

1
ElectroCardioGraphy (ECG)
2
Cardiac Conduction System

• Sinoatrial (SA) Node
• Atrial conduction fibers
• Atrioventricular (AV) Node
• AV Bundle (of His)
• Bundle Branches (Left Right)
• Purkenje Fibers

3
ECG

• P wave Atrial DEpolarization
• QRS complex Vent. DEpolarization
• T wave Vent. REpolarization

4
ECG Heart Events

• P-Q interval Atrial Contraction
• Q-T interval Vent. Contraction