Edema is the increase of extracellular fluid (ECF) in any organ. Generally, the amount of ECF is in balance. Increased secretion of fluid into the interstitium or impaired removal of this fluid may be associated with edema. Mechanisms causing increased secretion are inflammation, increased hydrostatic pressure and abnormalities in osmolality; abnormal removal can be found in low oncotic pressure and abnormal pressure on the lymphatic system.
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- MedicineNet - Edema Explains the observable swelling in certain parts of the body. Includes causes and diuretic treatments.
- Edema and Lymphedema Article will help you distinguish between the two, factors responsible for their formation, the treatment options available, and the implications for bodyworkers.
- Tissue Edema and General Principles of Transcapillary Fluid Exchange Explains how this condition occurs, factors precipitating it, prevention, and treatment.
- Patient Information: Edema Provides a general overview and details of symptoms, associated conditions and treatment.
- Treatment of Edema Discusses the major causes, pathophysiology, diuretic drugs, and resistance to these medications. By the American Academy of Family Physicians.
- MedlinePlus: Swelling Defines this condition, alternative names, considerations, common causes, and provides an illustration.