ECG and the Conduction System:

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Labelling

Correctly Label the following:

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AV Node

Bundle Branches

Purkinje Fibers

Bundle of His

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First the​

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depolarizes and sends an impulse across the​

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Which then contract. This impulse is received by the​

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, which sends an impulse down the ​ Bundle of His to the Bundle Branches, then the ​

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. These structures cause the ​

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to depolarize and contract.

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SA Node

Atria

AV Node

Purkinje Fibers

Ventricles

Valves

Aorta

Vena Cava

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Indicate Which structure is the Bundle of His

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Indicate Which structure is the AV Node

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Indicate Which structure is the Purkinje Fibers