T3

Sinus node

AV node His bundle

Bundle branches Purkinje fibers

Sinus node

AV node His bundle

Bundle branches Purkinje fibers

Normal sequence of activation

Sinus node

Impulse formation

Impulse arrival at J right atrium distant parts of atrium \ left atrium

AV node

Impuls arrival

Impuls transmission

His bundle activated

Distal bundle activated

Purkinje fibers activated

Subendocardial myocardium right ventricle completely activated left ventricle Subepicardial right ventricle myocardium left ventricle completely activated

0 0

Post a comment