A patient has a normal cardiac rhythm and a heart rate of 72 beats/minute.The nurse determines that the P-R interval is 0.24 seconds.The most appropriate intervention by the nurse would be to

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First-degree atrioventricular (AV)block is asymptomatic and requires ongoing monitoring because it may progress to more serious forms of heart block.The rate is normal,so there is no indication that atropine is needed.Immediate notification of the health care provider about an asymptomatic rhythm is not necessary.

A Patient Has a Normal Cardiac Rhythm and a Heart