Weight Gain / Obesity  - Differential Diagnosis Algorithm

Decreased Expenditure:

 • Sedentary Lifestyle

 • Smoking Cessation 

Neuroendocrine:

 • Polycystic Ovarian Syndrome

 • Hypothyroid

 • Cushing's Syndrome

 • Hypogonadism

 • GH Deficiency

 • Hypothalamic Obesity

Genetic:

 • Autosomal Dominant

 • Autosomal Recessive

 • X-Linked

 • Chromosomal Abnormality

Dietary:

 • Progressive

 • Polyphagia

 • High-Fat Diet

Social/Behavioural:

 • Socioeconomic

 • Ethnicity

 • Psychological

Iatrogenic:

 • Drugs/Hormones

 • Tube Feeding

 • Hypothalamic Surgery



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