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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","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.

A. Diminished breath sounds B. Increased blood pressure C. Diminished heart sounds D. New systolic murmur

Correct Answer is C

Explanation

Rationale:

A. Diminished breath sounds are not typically associated with a pericardial effusion.

B. Increased blood pressure is not typically associated with a pericardial effusion but it can instead result in hypotension due to decreased cardiac output due to compression of the heart by the accumulated fluid.

C. The heart sounds may become faint or distant due to fluid accumulation around the heart.

D. A new systolic murmur may indicate a pericardial effusion and should be further evaluated.

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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 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

A nurse is caring for a client in a critical care unit who is 4 hours post operative coronary artery bypass surgery. The nurse performs the reassessment and suspects the client may be developing a pericardial effusion. What assessment findings would the nurse note in this case?

Correct Answer is C

Explanation

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