eating disorders

Question 1

what is anorexia nervosa

Answer 1

compulsive need to control eating and body shape

Question 2

characteristics of anorexia nervosa

Answer 2

distorted body image
excessive dieting - severe weight loss
pathological fear of weight gain

Question 3

mortality rate in anorexia

Answer 3

20%

Question 4

% heritability in anorexia

Answer 4

50-75%

Question 5

diagnostic criteria of anorexia

Answer 5

weight loss - body weight <15% of expected weight for their age/height
intense fear of weight gain - persistent behaviour preventing this
altered self perception
widespread endocrine disorder - amenorrhoea, loss of libido

Question 6

manifestation of anorexia in pre-pubertal children

Answer 6

delayed/arrested puberty
growth stunt
underdeveloped breasts/genetalia
primary amenorrhoea

Question 7

what happens to puberty on recovery from anorexia

Answer 7

continues

late menarche

Question 8

GI manifestations of anorexia

Answer 8

constipation

fullness after eating

Question 9

cognition changes in anorexia

Answer 9

decreased visual-spatial awareness
decreased memory
increased speed of information processing

Question 10

cutaneous manifestations of anorexia

Answer 10

dry skin
brittle hair
lanugo hair (soft white hair all over our body)

Question 11

screening questionnaire for eating disorders

Answer 11

SCOFF
Sick (make yourself)
Control loss
One stone weight loss in 3 months
Fat (self-perception)
Food dominates life 
if yes >2 then think anorexia

Question 12

changes in blood due to anorexia

Answer 12

decreased WCC, Hb, platelets, PO4, TSH, LH, EGFR

increased bicarb, LFTs, amylase, T3/T4, GH, cortisol, CCK

Question 13

what manifestations of anorexia might show on an ECG

Answer 13

long QT

arrhythmias

Question 14

risk factors for anorexia

Answer 14

adolescent girls
bullying 
academic pressure
perfectionist/obsessive personality 
childhood sexual abuse/adverse life events
dietary/feeding problems in early life

Question 15

what is refeeding syndrome

Answer 15

depletion of nutrients as they are used up as body tries to repair itself

Question 16

manifestations of refeeding syndrome

Answer 16

rhabdomyolysis 
resp/cardiac failure
arrhythmias
seizures
death

Question 17

how to prevent refeeding syndrome

Answer 17

frequent blood monitoring

slow pace of refeeding

Question 18

conditions associated with anorexia

Answer 18

autism 
depression
substance misuse
OCD
diabetes

Question 19

diagnostic criteria for bulimia

Answer 19

recurrent episodes of overeating (twice a week for 3 months)
craving to eat
counteracts with vomiting/laxatives/diuretics
altered self perception

Question 20

GI manifestations of bulimia

Answer 20

bloated
constipated
abdo pain
oesophagitis

Question 21

what is russells sign

Answer 21

calluses on back of hands (vomit inducing)

Question 22

what might chronic abuse of laxatives/diuretics cause

Answer 22

oedema

Question 23

what medication can help reduce binges and purging behaviours

Answer 23

SSRI - fluoxetine