Eating Disorders

Question 1

Anorexia Nervosa DSM-V Criteria

Answer 1

1) Restriction of energy intake relative to requirements leading to MARKEDLY LOW BODY WEIGHT
2) Fear of weight gain or behaviors to avoid weight gain
3) Body image disturbance, denial of seriousness of illness, undue influence of body weight/shape on self-evaluation

(No amenorrhea criterion)

Question 2

Anorexia Nervosa Behavior

Answer 2

1) Restricting eating / fasting
2) Exercise
3) Binging
4) Vomiting
5) Laxatives / enemas
6) Diuretics
7) Diet pills / stimulants
8) Weighing, shape checking, comparison making
9) Food rules, calorie counting

Question 3

Bulimia Nervosa DSM-V Criteria

Answer 3

1) Recurrent binge eating
2) Recurrent compensatory behaviors to prevent weight gain (vomiting, exercise, etc.)
3) On average: 1x/wk x 3mo
4) Self evaluation unduly influenced by body shape and weight
5) Does not occur exclusively during episodes of anorexia nervosa

Question 4

Bulimia Nervosa Behaviors

Answer 4

1) Bingeing
2) Restricting eating / fasting
3) Exercise
4) Vomiting
5) Laxatives / enemas
6) Diuretics
7) Diet pills / stimulants
8) Weighing, shape checking, comparison making
9) Food rules, calorie counting

Question 5

Binge Eating Disorder

Answer 5

Bingeing without compensatory behavior
Associated with being overweight / obesity
More equal gender distribution
More adult onset

Question 6

Eating DO NOS

Answer 6

Binge Eating DO
Sub-syndromal Anorexia
Sub-syndromal Bulimia

Question 7

Epidemiology of Eating Disorders

Answer 7

1% prevalence of Anorexia Nervosa
2-4% prevalence of Bulimia Nervosa
ED-NOS has higher prevalence

F:M -> 1:6 - 1:20

Peak onset for AN 15-19yrs
Peak onset for BN 18-23yrs

Crossover from AN to BN 8-62%

Question 8

Prognosis of Anorexia Nervosa

Answer 8

46.9% recovery
33.5% improvement
20.8% chronicity
5% mortality

Question 9

Prognosis of Bulimia Nervosa

Answer 9

47.5% recovery
26% improvement
26% chronicity
0.7% mortality