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All about diabetes mellitus causes of diabetes mellitus insulin types of diabetes type 1 diabetes type 2 diabetes diabetes symptoms diabetes insipidus diabetic coma complications associated with diabetes mellitus diagnosis of diabetes mellitus diagnosis protocol for diabetes treatment of diabetes diabetes diet diabetes medications diabetes prevention juvenile diabetes treatment smoking and diabetes

Diagnosis protocol for diabetes

Protocol for diagnosing diabetes:
According to the NIDDK (National Institute of Diabetes and Digestive and Kidney Diseases):

People over age 45 should be tested for diabetes. If the first blood glucose test is normal, they should be re-tested every three years.


People under age 45 should be tested for diabetes if they are at high-risk for diabetes based on these factors:

  • Being more than 20 percent over ideal body weight, or having a body mass index (BMI) of greater than or equal to 27 kgm/m2.
  • Having a first-degree relative with diabetes (mother, father, or sibling).
  • Being a member of a high-risk ethnic group (African-American, Hispanic, Asian, or Native American).
  • Delivering a baby weighing more than 9 pounds, or having diabetes during pregnancy.
  • Having blood pressure at or above 140/90 mm/Hg.
  • Having abnormal blood fat levels, such as high density lipoproteins (HDL) less than or equal to 35 mg/dl, or triglycerides greater than or equal to 250 mg/dl (mg/dl = milligrams of glucose per deciliter of blood).
  • Having impaired glucose tolerance when previously tested for diabetes.
  • A diagnosis of diabetes:
    A diagnosis of diabetes is made when any three of these tests is positive, followed by a second positive test on a different day:

  • Fasting plasma glucose of greater than or equal to 126 mg/dl with symptoms of diabetes.
  • Casual plasma glucose (taken at any time of the day) of greater than or equal to 200 mg/dl with the symptoms of diabetes.
  • Oral glucose tolerance test (OGTT) value of greater than or equal to 200 mg/dl measured at a two-hour interval. The OGTT is given over a three-hour timespan.
  • A diagnosis of gestational diabetes:
    Gestational diabetes is diagnosed with a glucose screening test, which involves drinking a glucose drink followed by measurement of glucose levels after a one-hour interval.

    Talk with your physician about your wish to be screened for gestational diabetes.

    More information on diabetes mellitus

    What is diabetes mellitus? - Diabetes mellitus is a a condition characterized by hyperglycemia resulting from the body's inability to use blood glucose for energy. Diabetes mellitus can result in coma. Over time, complications can include nerve injury, blindness, kidney failure, and premature atherosclerosis with all of its complications.
    What causes diabetes mellitus? - Diabetes mellitus is a disorder caused by insufficient production of the hormone insulin by the pancreas, or insensitivity of cells to the effects of insulin. Insulin is responsible for the absorption of glucose into cells for their energy needs and into the liver and fat cells for storage.
    What is insulin? - Insulin is a hormone that is produced by specialized cells (beta cells) of the pancreas. In addition to helping glucose enter the cells, insulin is also important in tightly regulating the level of glucose in the blood.
    What types of diabetes mellitus are there? - There are four main types of diabetes mellitus. They are type 1 diabetes mellitus, type 2 diabetes mellitus, type 3, and Gestational diabetes mellitus (type 4).
    What is type 1 diabetes? - Formerly known as juvenile diabetes or insulin-dependent diabetes, type 1 diabetes is a life-long condition in which the pancreas stops making insulin. Type 1 diabetes develops most often in young people but can appear in adults.
    What is type 2 diabetes? - Type 2 diabetes is the most common form of diabetes mellitus. People with type 2 diabetes produce insulin, but either do not make enough insulin or their bodies do not use the insulin they make. Type 2, also known as non-insulin dependent diabetes, typically occurs after the age of 40 years.
    What're signs and symptoms of diabetes mellitus? - Type 2 diabetes almost always has a slow onset (often years). Early symptoms of Type 1 diabetes are often polyuria (frequent urination) and polydipsia (increased thirst, and consequent increased fluid intake).
    What is diabetes insipidus? - Diabetes insipidus (DI) is a disease characterized by excretion of large amounts of severely diluted urine, which cannot be reduced when fluid intake is reduced.
    What is diabetic coma? - Diabetic coma is a medical emergency in which a person with diabetes is unconscious because the blood glucose level is too low or too high. Patients with diabetes mellitus type 1 are especially prone to this condition.
    What are the complications of diabetes mellitus? - Many people with diabetes mellitus eventually develop complications. A very common short-term complication of diabetes mellitus is hypoglycemia (abnormally low blood sugar levels).
    How to diagnose diabetes mellitus? - The diagnosis of type 1 diabetes is usually prompted by recent symptoms of excessive urination (polyuria) and excessive thirst (polydipsia), often accompanied by weight loss. The diagnosis of other types of diabetes is made in many other ways.
    Diagnosis protocol for diabetes - People over age 45 should be tested for diabetes. If the first blood glucose test is normal, they should be re-tested every three years. A diagnosis of diabetes is made when any three of these tests is positive, followed by a second positive test on a different day.
    What is the treatment for diabetes? - Diabetes is a chronic disease with no cure, but it can almost always be managed effectively. Nowadays, the goal for diabetics is to avoid or minimize chronic diabetic complications, as well as to avoid acute problems of hyperglycemia or hypoglycemia.
    What type of diabetes diet is suggested? - For some people with diabetes mellitus, a healthy diet and weight loss is enough to keep glucose levels in the blood normal.
    What medications are available for diabetes? - Oral diabetes medicines, or oral hypoglycemics, can lower blood glucose in people who have diabetes, but are able to make some insulin. Six FDA-approved oral diabetes medications are now on the market.
    How to prevent diabetes? - Diabetes prevention is proven, possible, and powerful. Studies show that people at high risk for type 2 diabetes can prevent or delay the onset of the disease by losing 5 to 7 percent of their body weight.
    What should a child diabetes do every day? - To control diabetes and prevent complications, blood glucose levels must be as close to a "normal" range as safely possible. Families should work with a health care provider to help set a child's or teen's targets for blood glucose levels.
    Smoking and diabetes - There is a growing body of evidence to suggest that smoking is an independent risk factor for diabetes and that among people with diabetes, smoking aggravates the risk of serious disease and premature death.
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