The nurse is educating a client prior to an electrocardiogram (ECG). What is the best explanation regarding the purpose of electrocardiography?

To measure the pumping strength of the heart

To examine the heart's electrical activity

To evaluate coronary artery blood flow

To visualize the cardiac silhouette

Answer and Explanation

The Correct Answer is B

A. While an ECG can provide insight into the function of the heart, it does not directly measure the pumping strength.

B. The primary purpose of an ECG is to assess the electrical activity of the heart. It measures the timing and strength of electrical signals as they move through the heart muscle, which helps diagnose arrhythmias, myocardial infarction, and other cardiac conditions.

C. An ECG does not evaluate coronary artery blood flow. Tests like coronary angiography or stress tests are used for that purpose.

D. An ECG does not provide a visualization of the heart's size or shape, which would be done through imaging methods like a chest X-ray or echocardiogram.

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

Explanation

A. Preventing injury is critical in PAD, as poor circulation makes it more difficult for the body to heal wounds. Injuries or cuts can lead to severe infections or ulcers, which may progress to amputation in severe cases.

B. Wearing tight compression stockings can worsen PAD by restricting blood flow. Loose-fitting stockings or compression socks may be beneficial, but tight stockings should be avoided.

C. Regular walking improves circulation in the legs and can help manage PAD. Resting when cramping occurs allows the muscles to receive blood flow again, reducing the risk of further damage.

D. Reducing intake of saturated fats, trans fats, and cholesterol is essential to prevent further progression of PAD, as these substances contribute to the buildup of plaque in the arteries, leading to narrowing and reduced blood flow.

E. Applying ice to the legs can worsen symptoms of PAD, as it may further restrict blood flow. Heat therapy may be more appropriate for pain relief, but this should be done cautiously to avoid burns or worsening circulatory issues.

A. Mark the surgical site with an "X B. Ask the client about their last food and fluid intake C. Educate the client that they will need to keep their leg straight for 6 hours after the procedure. D. Ask the client about their prescribed, over the counter, and herbal medication use E. Begin prophylactic heparin therapy prior to the procedure

Correct Answer is ["B","D"]

Explanation

A. Marking the surgical site with an "X" is not typically done for cardiac catheterization. Instead, the healthcare provider may mark the site if necessary, but this is usually done by the surgeon or interventional cardiologist.

B. Asking about food and fluid intake is crucial because the client will need to be NPO (nothing by mouth) for several hours before the procedure to reduce the risk of aspiration during sedation or anesthesia.

C. Educating the client about keeping their leg straight after the procedure is necessary, but this typically occurs after the procedure, not before. This helps prevent complications such as bleeding or clot formation at the insertion site.

D. Asking about prescribed, over-the-counter, and herbal medications is important because certain medications, especially anticoagulants and blood thinners, need to be stopped before the procedure to minimize the risk of bleeding during catheterization.

E. Prophylactic heparin therapy may be ordered by the provider, but it is not typically administered by the nurse before the procedure unless specifically ordered.

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The nurse is educating a client prior to an electrocardiogram (ECG). What is the best explanation regarding the purpose of electrocardiography?

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Naxlex Comprehensive Predictor Exams

The nurse is planning to teach a client with peripheral arterial disease about measures to limit disease progression. Which items would the nurse include on a list of suggestions for the client? Select all that apply.

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

Explanation

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Correct Answer is ["B","D"]

Explanation

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