Kidney Failure (cont.)
How is kidney failure diagnosed?
Diagnosis of kidney failure is confirmed by blood tests measuring the buildup
of waste products in the blood. BUN and creatinine become elevated, and the
glomerular filtration rate decreases. This is the rate with which blood is
filtered through the kidneys and can be calculated based upon the creatinine
level, age, race, and gender.
Urine tests may be done to measure the amount of protein, detect the presence
of abnormal cells, or measure the concentration of electrolytes. Protein in the
urine is not normal and can be a clue that damage to the kidneys has occurred.
Abnormal aggregations of red and white blood cells called casts can be seen in
the urine with kidney disease. Comparing the concentrations of electrolytes in
the blood and urine can help decide whether the kidneys are able to
appropriately monitor and filter blood.
Other tests are used to diagnose the type of kidney failure. Abdominal
ultrasound can assess the size of the kidneys and may identify whether any
obstruction exists. Biopsy of the kidney uses a thin needle that is placed
through the skin into the kidney itself to get bits of tissue to examine under
the microscope.
What is the treatment for kidney failure?
Prevention is always the goal with kidney failure. Chronic disease such as
hypertension and
diabetes are devastating because of the damage that they can do
to kidneys and other organs. Lifelong diligence is important in keeping blood
sugar and blood pressure within normal limits. Specific treatments are dependent
upon the underlying diseases.
Once kidney failure is present, the goal is to prevent further deterioration
of renal function. If ignored, the kidneys will progress to complete failure,
but if underlying illnesses are addressed and treated aggressively, kidney
function can be preserved, though not always improved.
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- Angiotensin II Receptor Blockers (ARBs) - Angiotensin II receptor blockers (ARBs) are drugs used for controlling high blood pressure, treating heart failure and preventing kidney failure in people with diabetes or hypertension. Read about uses, drug interactions and side effects.
- Creatinine Blood Test - Learn more about the creatinine blood test, a test that measures kidney function. Abnormal creatinine levels in the blood may indicate kidney disease.
- Low Blood Pressure - Learn about low blood pressure (hypotension). Low blood pressure is blood pressure below normal and symptoms may include: lightheadedness, dizziness, fainting upon standing (orthostatic hypotension). There are many causes of low blood pressure, and treatment is dependant upon the cause.
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