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著者:Philip M. Buttaravoli and Kevin J. Brochu
 
Abstract
Edema is a manifestation of a variety of disease processes, ranging from disorders of hemostasis, to hepatic or cardiac failure, to malignancy. This chapter discusses how the differential can be narrowed by categorizing edema as pitting and nonpitting.
 
Keywords
bilateral edema
bilateral nonpitting edema
bilateral pitting edema
cellulitis
deep vein thrombosis
DVT
heat edema
leg edema
nonpitting edema
peripheral edema
phlegmasia cerulea dolens
pitting edema
swelling of the lower extremities
unilateral edema
unilateral nonpitting edema
unilateral pitting edema

Presentation  
    A patient presents with swelling of the lower extremity. It may be mildly painful, but there has been no trauma. The patient denies any fever, chest pain, difficulty breathing, or other systemic symptoms.
     
    Peripheral edema can be categorized in two different ways: unilateral versus bilateral and pitting versus non-pitting. The list of differential diagnoses varies; a comprehensive history, physical exam, and target laboratory testing are paramount.
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