The charge nurse is teaching a group of telemetry nurses about cardioversion. Which statement by the telemetry nurse would indicate that they understand the instruction about the electrical discharge?

It occurs immediately when buttons depressed.

It requires a higher amount of joules than is used in defibrillation.

It discharges during ventricular depolarization of the heart.

It is programmed to occur in non-sync mode.

Answer and Explanation

The Correct Answer is C

A. It occurs immediately when buttons depressed: The device synchronizes with the R wave and does not deliver the shock immediately.

B. It requires a higher amount of joules than is used in defibrillation: Cardioversion typically requires fewer joules compared to defibrillation.

C. It discharges during ventricular depolarization of the heart: Synchronized cardioversion times the electrical shock with the R wave (ventricular depolarization) to avoid delivering energy during the T wave, which could induce ventricular fibrillation.

D. It is programmed to occur in non-sync mode: Cardioversion must be synchronized; non-sync mode is used in defibrillation.

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Correct Answer is D

Explanation

A. Apply warm compresses to site of the client's pacemaker insertion: Heat application is contraindicated as it may increase swelling or risk infection.

B. Teach the client to avoid being near any type of household microwave oven: Modern pacemakers are shielded, so microwaves do not interfere with their function.

C. Ambulate the client as soon as possible to evaluate pacemaker function: While early ambulation is encouraged, pacemaker function is not evaluated through ambulation.

D. Instruct client to limit movement of the arm on side where pacemaker was inserted: Limiting arm movement prevents dislodging the pacemaker leads during the healing phase.

A. Have you had any immunizations recently? B. Have you had any dental work done recently? C. Do you have a family history of endocarditis? D. Have you every suffered a heart attack?

Correct Answer is B

Explanation

A. Have you had any immunizations recently?: Immunizations are not associated with a significant risk of infectious endocarditis.

B. Have you had any dental work done recently?: Dental procedures can introduce bacteria into the bloodstream, posing a risk for endocarditis, especially in clients with prosthetic valves.

C. Do you have a family history of endocarditis?: Endocarditis is not typically hereditary; risk factors are more related to procedures, infections, or valve abnormalities.

D. Have you ever suffered a heart attack?: While a history of a heart attack is relevant to cardiac health, it does not directly increase the risk for infectious endocarditis.

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The charge nurse is teaching a group of telemetry nurses about cardioversion. Which statement by the telemetry nurse would indicate that they understand the instruction about the electrical discharge?

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Naxlex Comprehensive Predictor Exams

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Explanation

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