Eating Disorders

Question 1

What happens in anorexia Nervosa?

Answer 1

Girls 15:34

Also genetic predisposition: monozygotic twins
Higher social classes high prevalence

Aetiology:
Hormonal: down sex hormones
Psychological: family stress. Escapism from normal life, reggression into childhood,.. Perfectionism and low esteem antecedents.
Survivors of childhood sexual abuse high risk.

Treatment: outpatients if ok

Question 2

How do you diagnose anorexia nervosa?

Answer 2

All of following:

BMI

Question 3

Sx of anorexia nervosa?

Answer 3

Sensitivity to cold, constipation, hypotension and bradycardia.
If binge and vomit or abuse purgatives : hypokalaemia and alkalosis.

Question 4

Tx of anorexia nervosa?

Answer 4

Outpatients if stable or if CVS sx admit and feed via NG tube, .CBT and family therapy session.

Question 5

What happens in Bulimia Nervosa?

Answer 5

Binges: episodes of uncontrollable excessive eating
Accompined by efforts to lose weight.

High school girls. Unis, collages,
Premorbid dieting hx, better prognosis than in anorexia.

Behaviours: self induced vomiting
Misuese of drugs such as laxatives, diuretics, thyroid exract, anorectics.

Question 6

How do u dx bulimia nervosa?

Answer 6

All of following:
binge eating
Methods ro prevent gaining weight (laxatives, vomiting, purging- in absence of eating episodes)
Morbid dread of fatness

Question 7

What is an effective tx in Bulimia?

Answer 7

Individual CBT far more effective than drufs or psychotherapy
.

SSRIs can be effective even in the absence of a depressive illness but may require high doses.