A nurse is explaining the diagnostic tests for deep vein thrombosis (DVT) to a client. Which test is considered the gold standard for diagnosing DVT?

Venous Doppler ultrasound.

D-dimer blood test.

Magnetic resonance imaging (MRI).

Contrast venography.

Answer and Explanation

The Correct Answer is D

A) This choice is incorrect because venous Doppler ultrasound is a non-invasive imaging test commonly used to diagnose DVT. However, it is not considered the gold standard due to potential limitations in visualizing small clots and deep veins.

B) This choice is incorrect because the D-dimer blood test is a screening test used to detect the presence of blood clot breakdown products. While it can help rule out DVT when negative, it is not the definitive diagnostic test.

C) This choice is incorrect because magnetic resonance imaging (MRI) is a sensitive imaging modality but is not considered the gold standard for diagnosing DVT. MRI may be used in specific cases, but contrast venography remains the gold standard.

D) This choice is correct. Contrast venography involves injecting contrast dye into the veins and taking X-ray images to visualize the blood flow and detect any clots. It is considered the gold standard for diagnosing DVT, as it provides direct visualization of the clot and the extent of its involvement.

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Correct Answer is D

Explanation

A) This choice is incorrect because the D-dimer blood test is a screening test for DVT but does not directly assess blood flow or detect clots non-invasively.

B) This choice is incorrect because magnetic resonance imaging (MRI) is a sensitive imaging modality, but it may not be readily available or suitable for all clients. It is not the primary choice for non-invasive assessment of blood flow and clots in suspected DVT.

C) This choice is incorrect because contrast venography is an invasive procedure involving the injection of contrast dye and X-ray imaging. It is not non-invasive, and venous Doppler ultrasound is a preferred first-line test.

D) This choice is correct. Venous Doppler ultrasound is a non-invasive imaging test used to assess blood flow in the veins and detect clots in the deep veins of the legs. It is readily available, safe, and does not involve the use of contrast dye or radiation.

A. Encouraging active range of motion exercises. B. Administering low-dose aspirin daily. C. Applying a heating pad to the affected leg. D. Providing a soft mattress for the client's bed.

Correct Answer is A

Explanation

A) This choice is correct. Encouraging active range of motion exercises helps prevent deep vein thrombosis (DVT) by promoting blood flow and reducing stasis in the veins. Moving the legs and ankles regularly helps prevent clot formation in immobilized clients.

B) This choice is incorrect because low-dose aspirin is not specifically indicated for preventing DVT. While aspirin may have some antiplatelet effects, it is not the primary preventive measure for DVT in high-risk clients.

C) This choice is incorrect because applying a heating pad to the affected leg is not a preventive measure for DVT. Heat application is not recommended for DVT prevention and could cause burns or injury.

D) This choice is incorrect because providing a soft mattress for the client's bed does not directly prevent DVT. The focus should be on encouraging movement and mobility to prevent DVT in clients at risk.

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A nurse is explaining the diagnostic tests for deep vein thrombosis (DVT) to a client. Which test is considered the gold standard for diagnosing DVT?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for a client with suspected deep vein thrombosis (DVT). Which diagnostic test is used to assess blood flow and detect clots in the deep veins of the legs non-invasively?

Correct Answer is D

Explanation

A client is at high risk for deep vein thrombosis (DVT) due to immobility. What should the nurse implement as a preventive measure for this client?

Correct Answer is A

Explanation

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