Create HTML forms for your Website in minutes. Approach to Leg Edema of Unclear Etiology. The differential diagnosis of edema is presented in Tables 1through 3.
Figures 1through 5 provide an algorithm for diagnostic evaluation. Diagnostic Studies Laboratory Tests Most patients over age 50 with leg edema have venous insufficiency, but if the etiology is unclear, a short list of laboratory tests will help rule out systemic disease: complete blood count, urinalysis, electrolytes, creatinine, blood sugar, thyroid-stimulating hormone, and albumin.
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