What is the normal duration of the PR interval? ... | MedicalQuiz.Net

★ Cardiology Quiz

What is the normal duration of the PR interval?

A. 0.12 to 0.20 seconds

B. 0.05 to 0.10 seconds

C. 0.25 to 0.30 seconds

D. 0.15 to 0.25 seconds

Select your answer:

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