233 results found
Medical tests
… High values High levels of vitamin B12 can occur in liver disease (such as cirrhosis or hepatitis ) and some types of … High values High levels of vitamin B12 can occur in liver disease (such as cirrhosis or hepatitis ) and some types of …
Medical tests
… High levels of phosphate in the urine also may be caused by eating a meal high in phosphorus, having high levels of … values High urine phosphate levels may be caused by: Kidney diseases. An overactive parathyroid gland ( … High levels of phosphate in the urine also may be caused by eating a meal high in phosphorus, having high levels of …
Medical tests
… expiratory volume at 1 second (FEV1). If you have a lung disease, such as asthma, your doctor may test your peak … in the morning before you take your medicine. Avoid eating a heavy meal before performing a PEF test. Be sure to … in the morning before you take your medicine. Avoid eating a heavy meal before performing a PEF test. Be sure to …
Medical tests
… into your esophagus. This is called gastroesophageal reflux disease, or GERD. The doctor can use the scope to take a … ) or the stomach ( gastritis ) or intestines (Crohn's disease). Gastroesophageal reflux disease (GERD) . Celiac disease . A narrowing (stricture) of …
Medical tests
… can also get higher when the liver is severely damaged or diseased, because the liver normally breaks down lactic … of lactic acidosis include rapid breathing, excessive sweating, cool and clammy skin, sweet-smelling breath, belly … body's cells. Extremely strenuous exercise or extreme overheating. Poisoning by alcohol (ethanol), wood alcohol …
Medical tests
… Why It Is Done A kidney biopsy is done to: Find kidney disease when there is blood or protein in the urine or when … procedure. Preparing for the procedure You may need to stop eating and drinking before the day of the procedure. If this … procedure. Preparing for the procedure You may need to stop eating and drinking before the day of the procedure. If this …
Medical tests
… amylase is done to: Find pancreatitis and other pancreatic diseases. See if the treatment for pancreatitis and other pancreatic diseases is working. Check swelling and inflammation of the … amylase is done to: Find pancreatitis and other pancreatic diseases. See if the treatment for pancreatitis and other …
Medical tests
… How To Prepare Your doctor will give you instructions about eating and drinking before this test. Insulin and some oral … of both C-peptide and blood glucose are found in liver disease, a severe infection, Addison's disease , or insulin … How To Prepare Your doctor will give you instructions about eating and drinking before this test. Insulin and some oral …
Medical tests
… measure how well the retina works. It can help check for diseases of the retina. The tests may also help diagnose and … response (VER): Follow your doctor's instructions about eating to avoid low blood sugar. Avoid caffeine within 12 … response (VER): Follow your doctor's instructions about eating to avoid low blood sugar. Avoid caffeine within 12 …
Medical tests
… kidneys are working normally. To find out if your kidney disease is changing. To see how well the kidneys work in … levels. This causes a high BUN-to-creatinine ratio. Kidney disease or blocked urine flow from your kidney causes both … can be caused by: Serious kidney damage or chronic kidney disease. Kidney damage can be caused by a life-threatening …