3 - PSY - Eating disorder Flashcards
Eating disorders have the highest ________ among other mental illness
mortality rate
M:F ratio
1:10
Aetiology of anorexia nervosa - psych
perfectionism low self esteem sexual development (early) Hx of abuse PD
Aetiology of bulimia nervosa - bio
changes in levels of serotonin
Aetiology of bulimia nervosa - psych
low self esteem Hx of abuse Hx of self harm impulsive personality PD high value placed on food and eating behaviour Hx of being overweight
Aetiology of bulimia nervosa - social
exposure to culture of dietin
family/socail culture of categorizing food as good/bad, healthy/naughty
Eating behaviour Hx points
methods of weight loss + control
typical day intake
relationship with body image (past and present)
any binge eating +/or compensatory behaviours
Psych common co-morbidities to screen for
anx dep + self harm
Areas of Sx of anorexia nervosa
Feet and ankles muscles reproductive failure osteopenia/porosis Heart function impaired Psychiatric hair and skin
Other complications of anorexia
hypothermia
infections
metabolic disturbance
haem disturbance
Bulimia nervosa Sx areas
head/CNS Mouth and teeth Heart (hypokalaemia) Abdomen Hand - russell sign on dorsum of long fingers feet and ankles
Other complications of bulimia
dehydration
E imbalance
muscle paralysis
Anorexia nervosa diagnostic criteria points
BMI <17.5
long term intake restriction
fear of getting fat/persistent behaviour stopping weight gain
skewed perception of ones body shape/weight (dont recognise seriousness of low body weight)
Bulimia nervosa diagnostic criteria points
recurrent binge eating episodes
recurrent inappropriate compensation – laxative misuse, diuretics, fasting, excess exercise, vomiting
on average once a week for 3 months
self evaluation unduly influenced by body shape and weight
DDx of eating disorders
hyperthyroidism depression OCD body dysmorphic disorder psychosis (food poisoned)
