A nurse is monitoring the cardiac output of a client who has left-sided heart failure using pulse pressure analysis. Which of the following findings can compromise the readings?

The client is experiencing premature atrial contractions.

The client has bilateral wheezes.

The client has a decreased oxygen saturation level.

The client has lower leg edema.

Answer and Explanation

The Correct Answer is A

A. The client is experiencing premature atrial contractions is correct. Premature atrial contractions can interfere with pulse pressure analysis and affect the accuracy of cardiac output measurements.

B. The client has bilateral wheezes is incorrect. Wheezes affect lung function, not directly the accuracy of pulse pressure analysis for cardiac output.

C. The client has a decreased oxygen saturation level is incorrect. While it is a concern, it does not compromise pulse pressure readings directly.

D. The client has lower leg edema is incorrect. Edema affects peripheral circulation but does not directly compromise pulse pressure measurements for cardiac output.

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Correct Answer is B

Explanation

A. Radiofrequency catheter ablation is incorrect. This is a long-term treatment for arrhythmias but not for immediate management of VT.

B. Defibrillation is correct. Defibrillation is used for pulseless ventricular tachycardia or ventricular fibrillation to restore a normal heart rhythm.

C. CPR is incorrect. CPR is performed if the patient is unresponsive and pulseless, not as the first-line intervention for VT.

D. Elective cardioversion is incorrect. Elective cardioversion is used for stable arrhythmias such as atrial fibrillation, not for immediate VT treatment.

A. Flex the client's hip. B. Hyperextend the client's neck. C. Provide warming measures for the client. D. Adjust the client's head of bed.

Correct Answer is D

Explanation

A. Flex the client’s hip is incorrect. Flexing the hip can increase intra-abdominal pressure and potentially increase intracranial pressure.

B. Hyperextend the client’s neck is incorrect. Hyperextension of the neck can interfere with venous return from the brain and increase ICP.

C. Provide warming measures for the client is incorrect. Warming measures are not indicated for a low CPP; maintaining normothermia is important, but warming is not the priority action.

D. Adjust the client’s head of bed is correct. Elevating the head of the bed helps reduce ICP and improves cerebral perfusion by promoting venous outflow.

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A nurse is monitoring the cardiac output of a client who has left-sided heart failure using pulse pressure analysis. Which of the following findings can compromise the readings?

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