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Heart block is the failure of stimulatio...

Heart block is the failure of stimulation to the ventricles following atrial contraction. Which one of the following heart structures could not be involved in heart block?

A

Atrioventricular node

B

Bundle of His fibres

C

Purkinje fibres

D

Sinoatrial node

Text Solution

Verified by Experts

The correct Answer is:
D
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