A nurse is monitoring a client's heart rhythm following the insertion of a permanent pacemaker.

Which of the following images should the nurse expect?

A regular sinus rhythm.

A chaotic, irregular rhythm.

Absence of any electrical activity.

A series of spikes followed by a QRS complex.

Answer and Explanation

The Correct Answer is D

A pacemaker sends electrical signals to the heart to regulate the heartbeat.
On an electrocardiogram (ECG), these signals appear as small spikes followed by a QRS complex, which represents the contraction of the ventricles.
Choice A, A regular sinus rhythm, is not the correct answer because a regular sinus rhythm is a normal heart rhythm that originates from the sinoatrial (SA) node and does not involve a pacemaker.
Choice B, A chaotic, irregular rhythm, is not the correct answer because a pacemaker is designed to regulate the heartbeat and prevent chaotic or irregular rhythms.
Choice C, the Absence of any electrical activity, is not the correct answer because a pacemaker sends electrical signals to the heart to regulate its activity.

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Correct Answer is C

Explanation

“Weight loss of.8 kg (4 Ib) in the past 24 hr.” Furosemide is a diuretic that decreases the pressure caused by excess fluid in the heart and lungs.
A weight loss of.8 kg (4 Ib) in the past 24 hr indicates that excess fluid is being removed from the body, which is a sign that the medication is effective.
Choice A is incorrect because adventitious breath sounds are a symptom of pulmonary edema, not an indication that the medication is effective.
Choice B is incorrect because furosemide has direct vasodilatory outcomes 2, which would decrease blood pressure, not elevate it.
Choice D is incorrect because there is no information found to support this statement.

A. Clopidogrel. B. Furosemide. C. Metformin. D. Carvedilol.

Correct Answer is C

Explanation

Metformin should be withheld for a minimum of 48 hours after the procedure.

This is because metformin can increase the risk of contrast-induced acute kidney injury (CI-AKI) when undergoing contrast imaging.
Choice A, Clopidogrel, is not an answer because it is not mentioned in the search results as a medication that needs to be withheld after a CT scan with contrast media.
Choice B, Furosemide, is not an answer because it is not mentioned in the search results as a medication that needs to be withheld after a CT scan with contrast media.
Choice D, Carvedilol, is not an answer because it is not mentioned in the search results as a medication that needs to be withheld after a CT scan with contrast media.

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A nurse is monitoring a client's heart rhythm following the insertion of a permanent pacemaker. Which of the following images should the nurse expect?

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A nurse is monitoring a client's heart rhythm following the insertion of a permanent pacemaker.

Which of the following images should the nurse expect?