A nurse is working on telemetry unit when an alarm sounds on the cardiac monitor The rhythm below is noted. What should the nurse do?

Call the physician

Administer oxygen

Initiate cardiopulmonary resuscitation (CPR)

Give a dose of epinephrine

Answer and Explanation

The Correct Answer is C

A. Call the physician: While notifying the physician is important, it is not the immediate priority in a life-threatening situation like ventricular fibrillation.

B. Administer oxygen: Administering oxygen is helpful, but the immediate priority in ventricular fibrillation is to initiate life-saving measures.

C. Initiate cardiopulmonary resuscitation (CPR): Ventricular fibrillation is a life-threatening emergency, and initiating CPR immediately is crucial to restore circulation and improve chances of survival.

D. Give a dose of epinephrine: Epinephrine is part of the advanced cardiac life support (ACLS) protocol, but it should be administered after initiating CPR and defibrillation.

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Correct Answer is A

Explanation

A. It indicates a normal depolarization of the atria: A PR interval of 0.12–0.20 seconds is within the normal range, representing normal conduction through the atria and AV node.

B. It provides information about atrial repolarization: Atrial repolarization is obscured by the QRS complex and not reflected in the PR interval.

C. It shows an early indication of first-degree heart block: First-degree heart block is indicated by a PR interval longer than 0.20 seconds.

D. It reflects a delayed conduction through the atria: A delay in conduction would result in a prolonged PR interval.

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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A nurse is working on telemetry unit when an alarm sounds on the cardiac monitor The rhythm below is noted. What should the nurse do?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse is caring for a client who is on cardiac telemetry monitoring and notes that the PR interval is 0.16 seconds. Which interpretation is correct for the nurse to make?

Correct Answer is A

Explanation

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Correct Answer is B

Explanation

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