Approach to lower limb edema Quiz: Ace Your Exams

Get ready to dominate your medical and nursing exams by using our dynamic quizzes to elevate your knowledge and increase your confidence. Whether you're gearing up for the USMLE®, COMLEX®, or your next in-class assessment, Osmosis quizzes tackle key topics in pathology, diagnostics, and treatment approaches. By honing in on clinical readiness and decision-making, we make sure the knowledge you gain empowers you both in the classroom and in real-world practice. Jump in and supercharge your exam prep!

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A 46-year-old woman presents to the primary care clinic due to severe bilateral lower extremity swelling for the past week. The patient has also noticed facial swelling and decreased urine output over the past few days. There is no associated chest pain or shortness of breath. The patient was recently diagnosed with Hodgkin lymphoma and has been receiving chemotherapy through a venous port. A few days ago, a clot was found on the port and the patient was started on apixaban. Vital signs are within normal limits. On physical examination, there are no pulmonary crackles, extra heart sounds, or murmurs. The abdomen is soft and non-distended. There is 2+ pitting edema bilaterally up to the proximal tibia. Serum creatinine is 3.2 mg/dL (was 0.8 mg/dL two weeks ago). Which of the following tests would be most helpful for determining the etiology of this patient’s lower extremity swelling?  

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