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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 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.

A. Prevention of vagal stimulation B. Assess for acute pain C. Prevention of falls D. Assess for neurologic changes E. Monitor fluid volume excess

Correct Answer is ["A","C","D"]

Explanation

Rationale:

A. Preventing vagal stimulation can help prevent bradycardia.

B. Acute pain is not typically associated with sinus bradycardia.

C. Preventing falls is important because bradycardia can lead to dizziness and falls.

D. Assessing for neurologic changes is important because bradycardia can affect cerebral perfusion.

E. Monitoring fluid volume excess is not directly related to sinus bradycardia.

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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

Correct Answer is D

Explanation

A client has undergone diagnostic testing and received a diagnosis of sinus bradycardia. Which interventions are most appropriate and should be included in the client's plan of care? (SELECT ALL THAT APPLY)

Correct Answer is ["A","C","D"]

Explanation

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