Which of the Following Statements About Sinus Dysrhythmia Is True

question 41

Multiple Choice

Which of the following statements about sinus dysrhythmia is true?

• A)The PR interval varies along with the heart rate.
• B)The QRS duration varies along with the heart rate.
• C)The intervals between the P-P and R-R waves vary.
• D)The P waves are usually inverted in deflection.

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