Nature of Edema
Edema of Foot
Soft, pits on pressure
T Interstitial fluid from: legs dependent from prolonged standing or sitting — hydrostatic pressure in veins, capillaries; congestive heart failure —>4- cardiac output, T hydrostatic pressure in veins, capillaries; nephrotic syndrome, cirrhosis, malnutrition —> low albumin, -l intravascular colloid oncotic pressure; drugs
Soft, pits on pressure; later may become brawny (hard)
May be present, especially near ankle
Chronic obstruction or valvular incompetence of the deep veins
Soft in early stages, then becomes indurated, hard, nonpitting
Present, including toes Often
Lymph channels obstructed by tumor, fibrosis, inflammation; also from axillary node dissection, radiation
The Musculoskeletal System
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