A nurse is preparing to perform a 12-lead electrocardiogram (ECG). Which of the following instructions should the nurse provide to the client?

"I will be placing some electrodes on your chest and extremities."

"Be sure to remain still once I have attached the gel pads."

"You might feel some slight pressure during the procedure."

"The test will be complete in a few minutes."

Answer and Explanation

The Correct Answer is A

Choice A reason : This instruction is accurate because for a standard 12-lead ECG, electrodes are placed on the patient's chest and extremities to record the electrical activity of the heart. The placement of these electrodes is crucial for accurate readings and diagnosis. The electrodes do not emit electricity; they merely record and measure the electrical activity in your heart, providing essential information to the medical provider.

Choice B reason : Remaining still during an ECG is important to prevent artifacts that can interfere with the interpretation of the heart's electrical activity. Movement can cause the readings to be inaccurate, which is why patients are advised to remain still once the electrodes are in place.

Choice C reason : While the client might feel some pressure from the electrodes, the term 'tingling' is not accurate as the ECG is a painless procedure. The electrodes may cause mild irritation upon the skin, but there is otherwise no sensation associated with the test itself.

Choice D reason : The duration of the test is indeed short, typically only a few minutes, but this is not the primary instruction. The nurse should first inform the client about the electrode placement, which is essential for the procedure. The ECG will only take a few minutes in total once the procedure is underway, not counting equipment set-up time.

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Correct Answer is C

Explanation

Choice A reason : Keeping the client in a high-Fowler's position for 6 hours post-cardiac catheterization is not recommended. After a femoral approach, it's important to keep the leg straight and the patient flat or with the head slightly elevated to prevent bleeding from the catheter insertion site. High-Fowler's position could increase the risk of bleeding and is not conducive to maintaining pressure at the arterial access site.

Choice B reason : Allowing the patient to ambulate around the room immediately after the procedure is contraindicated. The patient is typically required to remain on bed rest with the affected leg straight to prevent bleeding and ensure proper healing of the arterial puncture site. Ambulation is usually restricted for several hours post-procedure.

Choice C reason : Checking pedal pulses every 15 minutes is a critical action following cardiac catheterization via the femoral artery. It ensures that there is adequate blood flow to the extremity and helps to identify any complications such as occlusion or bleeding early. Adequate perfusion is indicated by strong and equal pedal pulses.

Choice D reason : Performing passive range-of-motion exercises for the affected extremity immediately after cardiac catheterization is not recommended. The affected leg should remain straight without bending at the hip to prevent bleeding from the catheter site. Passive range-of-motion could disrupt the vascular integrity at the puncture site and increase the risk of bleeding.

A. Have the laboratory draw a blood sample for an erythrocyte sedimentation rate B. Obtain a 12-lead ECG C. Administer potassium gluconate 40 mEq orally D. Restrict fluid intake

Correct Answer is B

Explanation

Choice A reason : An erythrocyte sedimentation rate (ESR) test is not directly related to high serum potassium levels and would not be the immediate action in response to hyperkalemia.

Choice B reason : Obtaining a 12-lead ECG is a critical step when hyperkalemia is suspected because high potassium levels can cause life-threatening cardiac arrhythmias. An ECG can quickly reveal characteristic changes associated with hyperkalemia, allowing for prompt treatment.

Choice C reason : Administering potassium gluconate would be contraindicated in a patient with hyperkalemia, as it would further increase the serum potassium levels, potentially leading to severe complications.

Choice D reason : Restricting fluid intake is not a standard treatment for hyperkalemia. The management of hyperkalemia may include medications or procedures that promote the excretion of potassium or move potassium from the blood into the cells.

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A nurse is preparing to perform a 12-lead electrocardiogram (ECG). Which of the following instructions should the nurse provide to the client?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is C

Explanation

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Correct Answer is B

Explanation

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