John P. Cunha, DO, FACOEP
John P. Cunha, DO, is a U.S. board-certified Emergency Medicine Physician. Dr. Cunha's educational background includes a BS in Biology from Rutgers, the State University of New Jersey, and a DO from the Kansas City University of Medicine and Biosciences in Kansas City, MO. He completed residency training in Emergency Medicine at Newark Beth Israel Medical Center in Newark, New Jersey.
William C. Shiel Jr., MD, FACP, FACR
Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.
In this Article
- Edema definition and facts
- What is edema?
- What is pitting edema and how does it differ from non-pitting edema?
- What is a pitting edema measurement scale?
- What does pitting edema look like (picture)?
- What causes pitting edema?
- Does salt intake affect edema?
- What causes edema during pregnancy?
- What kind of doctors treat edema?
- Why does a person with heart disease retain fluid?
- Why do people with liver disease develop ascites and edema?
- Why do people with kidney disease have pitting edema?
- What causes pitting edema by heavy loss of protein in the urine?
- What medications treat pitting edema caused by heavy loss of protein in the urine?
- What causes pitting edema in people with impaired kidney (renal) function?
- What is idiopathic edema?
- What is the treatment for idiopathic edema?
- What is the treatment for patients with idiopathic edema who have become dependent on diuretics?
- How does venous insufficiency cause edema?
- Which diuretics are used to treat edema?
- Do people taking diuretics need a diet high in potassium?
- Are diuretics used for other diseases or conditions?
- Find a local Internist in your town
What causes pitting edema in people with impaired kidney (renal) function?
In this situation, people who have kidney diseases that impair renal function develop edema because of a limitation in the kidneys' ability to excrete sodium into the urine. Thus, people with kidney failure from whatever cause will develop edema if their intake of sodium exceeds the ability of their kidneys to excrete the sodium. The more advanced the kidney failure, the greater the problem of salt retention is likely to become. The most severe situation is the patient with end-stage kidney failure who requires dialysis therapy. This patient's salt balance is totally regulated by dialysis, which can remove salt during the treatment. Dialysis is a method of cleansing the body of the impurities that accumulate when the kidneys fail. Dialysis is accomplished by circulating the patient's blood over an artificial membrane (hemodialysis) or by using the patient's own abdominal cavity (peritoneal membrane) as the cleansing surface. Individuals whose kidney function declines to less than 5% to 10% of normal may require dialysis.
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