-IBIS-1.5.0-
tx
cardiovascular system
edema
diagnoses
definition and etiology
definition:
an increase in the extravascular portion of the extracellular fluid
etiology:
Edema may be localized or systemic, depending on the cause. The term ascites refers to fluid accumulation in the peritoneal cavity; anasarca refers to systemic, gross edema. Causes of edema include injury to the capillary lining (from bacterial, chemical, thermal, or mechanical agents), and hypersensitivity reactions, as well as the conditions listed under "differential diagnosis".
signs and symptoms
Symptoms accord with the underlying cause.
important factors include:
color, thickness, and sensitivity of skin; redness, local warmth, and tenderness suggest inflammation
location of the edema
lab findings:
base testing on the complete history and presentation of the patient
assess liver function tests, electrolytes
course and prognosis
The course and prognosis varies depending on the cause.
differential diagnosis
causes of edema:
inflammation
venous obstruction
lymphatic obstruction
nephrotic syndrome
CHF
cirrhosis
idiopathic
acute glomerulonephritis
nutritional origin (e.g. protein malnutrition)
miscellaneous (e.g. hypothyroidism, pregnancy)
footnotes