Heart conduction Flashcards

1
Q

Speed of conduction

A

Purkinje > atria > ventricles > AV node

“Patria vents VAN”

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2
Q

Pacemakers

A

SA > AV > Bundle of His/Purkinje/Ventricle

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3
Q

Conduction pathway

A

SA node -> atria -> AV node -> common bundle -> bundle branches -> Purkinje fibers -> ventricles

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4
Q

SA node

A

Pacemaker inherent dominance with slow phase of upstroke

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5
Q

AV node

A

100 msec delay

AV delay; allows time for ventricular filling

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