What is the differential diagnosis of chronic leg edema in primary care?
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The differential diagnosis, in descending order, includes: elevated pulmonary artery pressure (often due to obstructive sleep apnea), congestive heart failure, idiopathic causes, venous insufficiency, use of nonsteroidal anti-inflammatory drugs (NSAIDs), and proteinuria (>1 g daily) (strength of recommendation: B, based on a nonconsecutive diagnostic cohort study with good reference standards).
Journal of Family Practice, 57(3) 2008: 188+.
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