What Is the Normal Period of Time for the PR

question 12

Multiple Choice

What is the normal period of time for the PR interval?

• A) Not longer than 0.20 sec
• B) Not longer than 0.30 sec
• C) Not longer than 0.45 sec
• D) Not longer than 0.50 sec

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Symptoms that resemble those observed in clinical conditions but may occur in the absence of a diagnosable medical disorder.

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