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A nurse is reviewing cardiac rhythms and heart blocks for a critical care course. The nurse is aware that which of the following describes first degree heart block?

The PR interval gets longer then drops.

PR interval greater than 0.20 seconds in duration

There are absent P waves

R-R is irregular

Answer and Explanation

The Correct Answer is B

Rationale:

A. This describes a second-degree heart block, specifically Mobitz Type I (Wenckebach).

B. A PR interval greater than 0.20 seconds is characteristic of first-degree heart block.

C. This describes third-degree heart block, also known as complete heart block.

D. An irregular R-R interval is not specific to first-degree heart block.

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Correct Answer is ["A","B","C","E","F"]

Explanation

Rationale:

A. Unable to lie flat due to orthopnea is a sign of worsening heart failure.

B. Feeling fatigued is a general symptom of heart failure but can worsen as heart failure progresses.

C. Distended neck veins indicate increased central venous pressure, which is a sign of worsening right-sided heart failure.

D. Increased appetite is not typically associated with worsening heart failure.

E. Weight gain of 2 pounds in 24 hours indicates fluid retention and worsening heart failure.

F. Worsening lower extremity edema is a sign of worsening heart failure.

A. Radiofrequency catheter ablation B. CPR C. Defibrillation D. Synchronized cardioversion

Correct Answer is D

Explanation

A. Radiofrequency catheter ablation is a long-term treatment for recurrent VT, not an immediate intervention.
B. CPR is indicated for pulseless VT, but this client has a carotid pulse.
C. Defibrillation is used for pulseless VT or ventricular fibrillation, but this client is still perfusing.
D. Synchronized cardioversion is the appropriate treatment for unstable VT with a pulse, as it delivers a timed shock to restore normal rhythm.

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A nurse is reviewing cardiac rhythms and heart blocks for a critical care course. The nurse is aware that which of the following describes first degree heart block?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client with right sided heart failure. Which of the following symptoms should the nurse include in teaching the client about signs of worsening heart failure? (SELECT ALL THAT APPLY)

Correct Answer is ["A","B","C","E","F"]

Explanation

Correct Answer is D

Explanation

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