A nurse is reviewing a client's cardiac rhythm strips and notes a constant P-R interval of
0.35 seconds. Which of the following dysrhythmias is the client displaying?

Premature atrial complexes

Complete heart block

Atrial fibrillation

First-degree atrioventricular block

Answer and Explanation

The Correct Answer is D

A.   Incorrect. Premature atrial complexes do not typically affect the P-R interval. They are characterized by an early P-wave followed by a QRS complex.
B.   Incorrect. Complete heart block is characterized by a dissociation between the P-waves and QRS complexes, resulting in no relationship between atrial and ventricular activity.
C.   Incorrect. Atrial fibrillation is characterized by chaotic and irregular atrial activity without distinct P-waves, making the P-R interval irrelevant.
D.   Correct. In first-degree atrioventricular block, the P-R interval is prolonged beyond the normal range of 0.12-0.20 seconds. A constant P-R interval of 0.35 seconds indicates a first- degree atrioventricular block.

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Correct Answer is C

Explanation

A. Incorrect. Placing the client in seclusion is not an appropriate intervention for managing mania.
B. Incorrect. Encouraging the client to spend time in the dayroom may exacerbate symptoms of mania by providing more stimulation.
C. Correct. Encouraging the client to take frequent rest periods helps prevent overactivity and exhaustion, common in manic episodes.
D. Incorrect. Withdrawing privileges are not directly related to managing manic symptoms and may not be therapeutic.

A. "I can continue to take St. John's wort while taking this medication." B. "I should take this medication on an empty stomach." C. "I expect this medication to raise my blood pressure." D. "I know it will be a couple of weeks before the medication helps me feel better."

Correct Answer is D

Explanation

A. St. John's wort is an herbal supplement that can interact with antidepressant medications like amitriptyline and should be avoided.
B. Taking amitriptyline on an empty stomach can lead to gastrointestinal upset, so it is better to take it with food.
C. Amitriptyline can have anticholinergic effects, which might lower blood pressure rather than raise it.
D. Correct. Amitriptyline and other antidepressants take a few weeks to reach their full therapeutic effect, so it's important for the client to understand this delayed response.

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A nurse is reviewing a client's cardiac rhythm strips and notes a constant P-R interval of 0.35 seconds. Which of the following dysrhythmias is the client displaying?

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A nurse is reviewing a client's cardiac rhythm strips and notes a constant P-R interval of
0.35 seconds. Which of the following dysrhythmias is the client displaying?