Classification, Diagnostic Criteria, and Screening of Diabetes 
Classification of Diabetes
Diagnostic Criteria
Rationale for Diagnostic Criteria
Methods for Diagnosing Diabetes
Diagnosis of Diabetes
Screening for Diabetes
Diabetes Risk Factors
Performing a 75g Oral Glucose Tolerance Test
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Classification of Diabetes
Type 1 diabetes
  • Beta cell destruction
  • Usually autoimmune characterized by insulitis and presence of antibodies to components of islet cell or insulin itself

Type 2 diabetes
  • Usually characterized by a combination of insulin resistance and an insulin secretory defect

Gestational diabetes
  • Diabetes developing or discovered during pregnancy

Secondary diabetes – diabetes secondary to other conditions such as:
  • Pancreatic disease
  • Acromegaly, Cushings, etc

Impaired fasting glucose and impaired glucose tolerance