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?
D-dimer blood test.
Magnetic resonance imaging (MRI).
Contrast venography.
Venous Doppler ultrasound.
The Correct Answer is D
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.
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Related Questions
Correct Answer is B
Explanation
A) This choice is incorrect because while relieving leg pain and swelling is an important aspect of DVT treatment, the primary goal is to prevent the clot from dislodging and causing a pulmonary embolism or other complications.
B) This choice is correct. The primary goal of DVT treatment is to prevent the clot from dislodging and traveling to the lungs, where it can cause a potentially life-threatening pulmonary embolism. Anticoagulant therapy and other interventions are used to stabilize the clot and prevent its migration.
C) This choice is incorrect because eliminating the risk factors for DVT is not the primary goal of treatment for a client who already has DVT. Preventing clot progression and complications take precedence over addressing risk factors at this stage.
D) This choice is incorrect because while administering anticoagulant therapy is a common treatment for DVT, it is a specific intervention rather than the primary goal. Anticoagulants help prevent the clot from growing and reduce the risk of embolism.
Correct Answer is A
Explanation
A) This choice is correct. Performing calf-stretching exercises in the aisle can help improve blood circulation in the legs during a long flight and reduce the risk of stasis and clot formation.
B) This choice is incorrect because using a heating pad on the legs during a flight may not be feasible or safe. It is not a recommended preventive measure for DVT.
C) This choice is incorrect because wearing compression stockings during the flight is a recommended preventive measure for DVT. Compression stockings help improve blood flow and reduce the risk of clot formation during prolonged immobility.
D) This choice is incorrect because taking prescribed anticoagulant medication before boarding a flight is not a recommended preventive measure for all clients. The decision to take anticoagulant medication before a flight should be based on the client's individual risk factors and medical history.
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