eating disorders Flashcards
peak onset eating disorders
mid teens to mid twenties
screening tools: SCOFF questionnaire
2+ then ED likely
- do you make yourself sick cos feel uncomfortably full
- worry you have lost control over how much u eat?
- recently lost >1st in 3mo period?
- you think your fat when others say too thin?
- does food dominate your life?
obsessive wight losing disorders
obsessive fear of fatness
avoidance of food + calorie sources
compensatory behaviours when food can’t be avoided
F50.0 anorexia nervosa
- restriction of intake to reduce weight
- relies on compulsive compensatory when food can’t be avoided: vomiting, laxative use, appetite suppresants/diuretics
- 15% below ideal body weight or BMI 17.5 or less
F50.0 anorexia nervosa presenting features
cold intolerance blue hands + feet constipation bloating delayed puberty 1ry/2ry amenorrhea dry skin fainting hypotension lanugo hair scalp hair loss early satiety weakness, fatigue short stature osteopenia + osteoporosis
F50.2 bulimia nervosa
- episodes binge eating with sense loss of control
- binge followed by compensatory behaviour of purging type (vomit, laxative, diuretic) or nonpurging type (excessive exercise, fasting, strict diet)
binges and compensatory behaviour 2x a week for 3mo
dissatisfaction with body shape and weight
bulimia nervosa: signs and symptoms
mouth sores pharyngeal trauma dental caries heartburn, chest pain oesophageal rupture impulsivity: stealing, alcohol, drugs muscle cramps weakness bloody diarrhoea irreg periods fainting swollen parotid glands hypotension
binge eating disorder
similar to bulimia nervosa; absence of purging behaviours
ongoing and/or repetitive cycles often include
- fast eating, alone
- unusually large amounts consumed
- uncomfy full, buzzed after eating
- embarassed, shame, guilt, depression
avoiding calorie intake
diet - becoming veggie, vegan not touching food/grease develop dislikes, pickiness, 'alergies' interpret symptoms as allergy/indigestion eat slowly and at certain times avoid party/social occasions spoiling/messing food refuse to eat more than person who eats least rules about person who eats last
getting rid of calories
self-induced vomit chewing + spitting out overexercise - oft secret overactivity - housework, fidgeting, twitching, never sitting down, carry heavy loads cooling - inadequate dress, open windows blood letting
other eating disorder behaviours
body-checking: repeated weighing, mirror gazing, self-measurement, self-photographing
displaying emaciation to elicit reassuringly shocked attention
cruising pro-ana websites
compete with self and others
compulsive browsing of gossip magazines + websites - thinspirations
deliberate SH if rules broken
ED physiological consequences
- extreme overvaluation of low weight + thin/lean shaoe
- obsessive weight-losing feels like solution not problem
- reduced central coherence + narrowed focus if interest
- starved person is unable to interpret emotion
ED psychological consequences
malnourished brains experience depression, anxiety, obsessionality and loss of concentration on anything but food
ED social consequences
other people are obstacles to the ED
sufferers withdraw from friendships and lose interest in sexual relationships
isolation
ED physical consequences
starvation: physical damage, poor repair, reduced immunity, anaemia, bone loss, fertility probs
purging behaviours: neurochemical disruption with special damage to brain (seizures) and heart (arrhythmias)
physical symptoms as before e.g. dry skin, cold intolerance, constipation
