Eating Disorders

Question 1

Prevalence of AN?

BN?

Answer 1

10-30/100000

150/100000

Question 2

ICD-10 definition of AN?

Answer 2

Fear of gaining weight
BMI <17.5
Amenorrhoea
Preoccupation with weight and its effect on self-esteem

Question 3

Definition of BN?

Answer 3

Fear of gaining weight
Have cycles of binging and purging to make up for the binge.
The binge is subjective

Question 4

Types of purging

Answer 4

Vomiting
Laxatives
Diabetics can stop/reduce taking insulin
Diuretics
Diet Pills

Question 5

Complications of Eating Disorders?

Answer 5

CVS: Low BP, Low HR, long QT

Endocrine: Amenorrhoea

Skin: Layer of fine hair

GI: Caries, Ulceration, Mallory-Weiss Tears, Delayed Emptying, Obstruction

MSK: Aches/Pains, decreased muscle mass

Electrolyte disturbances

Question 6

Treating Eating Disorders

Answer 6

Shift their Stage of change
Family therapy (under 19)
CBT (short term, 20 sessions)
Self Help
Gradually increase calories

Question 7

What is refeeding syndrome?

Guidelines for eating disorders?

Answer 7

If you start eating “normally” again with carbohydrates then there is a drop of insulin and K+, phosphate is driven into cells.
This can cause arrhythmias etc

Marzipan Guidelines

Question 8

Risk Factors

Answer 8

Peer pressure
Social Media
Pro-ana/mia websites

Personality - perfectionist, control
Life Stress (need for control)

Question 9

What are the recovery rates?

Answer 9

50-75% BN recover
30-75% AN recover

1/4 remain AN and the others only partially recover