Diabetes Mellitus Nursing Notes & NCLEX Review
Medical-Surgical Nursing Complete Guide
Introduction:
Diabetes Mellitus is a chronic metabolic disorder characterized by high blood glucose levels
due to problems with insulin production, insulin action, or both.
Insulin is a hormone produced by the pancreas that helps glucose enter body cells for energy.
Types of Diabetes Mellitus:
1. Type 1 Diabetes:
Cause: Autoimmune destruction of beta cells.
Common feature: Usually develops in children or young adults
2. Type 2 Diabetes:
Cause: Insulin resistance
Common feature: Most common type.
3. Gestational diabetes:
Cause: Occurs during pregnancy
Common feature: May increase future diabetes risk.
In detail:
Type 1 Diabetes Mellitus:
Causes:
•Autoimmune destruction of pancreatic beta cells
•Genetic factors
•Viral infections
Characteristics:
•Little or no insulin production
, •Requires lifelong insulin therapy
•Sudden onset
Common Symptoms:
•Polyuria
•Polydipsia
•Polyphagia
•Weight loss
Type 2 Diabetes Mellitus:
Causes:
•Insulin resistance
•Obesity
•Sedentary lifestyle
•Family history
Characteristics:
•Gradual onset
•Often controlled with diet, exercise, and oral medications
Risk Factors:
•Obesity
•Hypertension
•Poor diet
Medical-Surgical Nursing Complete Guide
Introduction:
Diabetes Mellitus is a chronic metabolic disorder characterized by high blood glucose levels
due to problems with insulin production, insulin action, or both.
Insulin is a hormone produced by the pancreas that helps glucose enter body cells for energy.
Types of Diabetes Mellitus:
1. Type 1 Diabetes:
Cause: Autoimmune destruction of beta cells.
Common feature: Usually develops in children or young adults
2. Type 2 Diabetes:
Cause: Insulin resistance
Common feature: Most common type.
3. Gestational diabetes:
Cause: Occurs during pregnancy
Common feature: May increase future diabetes risk.
In detail:
Type 1 Diabetes Mellitus:
Causes:
•Autoimmune destruction of pancreatic beta cells
•Genetic factors
•Viral infections
Characteristics:
•Little or no insulin production
, •Requires lifelong insulin therapy
•Sudden onset
Common Symptoms:
•Polyuria
•Polydipsia
•Polyphagia
•Weight loss
Type 2 Diabetes Mellitus:
Causes:
•Insulin resistance
•Obesity
•Sedentary lifestyle
•Family history
Characteristics:
•Gradual onset
•Often controlled with diet, exercise, and oral medications
Risk Factors:
•Obesity
•Hypertension
•Poor diet