Table 76-1 Common Characteristics of Anorexia Nervosa and Bulimia Nervosa Anorexia Nervosaa Bulimia Nervosa Clinical Characteristics Onset Mid-adolescence Late adolescence/early adulthood Female:male 10:1 10:1 Lifetime prevalence 1% 1–3% in women Weight Markedly decreased Usually normal Menstruation Absent Usually normal Binge eating 25–50% Required diagnosis for Mortality 5% per decade Low Physical and Laboratory Findingsa Skin/extremities Lanugo Acrocyanosis Edema Cardiovascular Bradycardia Hypotension Gastrointestinal Salivary enlargement gland Salivary enlargement gland Slow emptying gastric Dental erosion Constipation Elevated enzymes liver Hematopoietic Normochromic, normocyctic anemia Leukopenia Fluid/Electrolyte Increased creatinine BUN, Hypokalemia Hypochloremia Hypokalemia Alkalosis Endocrine Hypoglycemia Low testosterone estrogen or Low LH and FSH . | Chapter 076. Eating Disorders Part 2 Table 76-1 Common Characteristics of Anorexia Nervosa and Bulimia Nervosa Anorexia Nervosa Bulimia Nervosa Clinical Characteristics Onset Mid-adolescence Late adolescence early adulthood Female male 10 1 10 1 Lifetime prevalence 1 1-3 in women Weight Markedly decreased Usually normal Menstruation Absent Usually normal Binge eating 25-50 Required for diagnosis Mortality 5 per decade Low Physical and Laboratory Findings Skin extremities Lanugo Acrocyanosis Edema Cardiovascular Bradycardia Hypotension Gastrointestinal Salivary gland enlargement Slow gastric emptying Constipation Elevated liver enzymes Salivary gland enlargement Dental erosion Hematopoietic Normochromic normocyctic anemia Leukopenia Fluid Electrolyte Increased BUN creatinine Hypokalemia Hypokalemia Hypochloremia Alkalosis Endocrine Hypoglycemia
