eating disorders Flashcards
BMI definition of anorexia
BMI < 18.5
who usually presents with anorexia
females aged 15-19
what are the 2 main subtypes of anorexia
restricting
binge purge
what is the difference between bulimia and binge purge anorexia
patients with anorexia are underweight and have a focus in weight gain and body image distortion
physical signs of anorexia on a patient
hypotension, bradycardia
lanugo hair
amenorrhoea
metabolic acidosis
what is russell’s sign
calluses on the knuckles or back of the hand due to frequent purging over a long period of time
first line management of anorexia in patients under 18
family based therapy
interventions for adults with anorexia
CBT-ED, MANTRA
when might a patient be admitted for anorexia
severe or rapid weight loss, significant suicide risk, unable to perform sit-up, squat and stand test
what is one complication of treating an eating disorder
refeeding syndrome
what is refeeding syndrome
potentially fatal metabolic response to too rapid re-feeding after a period of starvation
who is at most risk for refeeding syndrome
severely underweight, rapid weight loss or minimal intake for the last 7-14 days
name some symptoms of refeeding syndrome
oedema, confusion and tachycardia
pathophysiology of refeeding syndrome
rapidly increasing insulin levels lead to shifts of potassium, magnesium and phosphate from extracellular to intracellular spaces
(these need to be replenished)
how can we prevent refeeding syndrome
high dose vitamins before feeding starts - pabrinex
daily monitoring and replenish electrolytes
HELP FROM DIETITICIANS
what is bulimia
recurrent binge-eating episodes with a loss of control followed by inappropriate compensatory behaviours to prevent weight gain
name some compensatory behaviours seen in bulimia
self-induced vomiting, laxatives, diuretics, fasting or excessive exercise
name some clinical signs of bulimia
dental erosion, parotid gland swelling, russell’s sign, amenorrhoea
management of adults with bulimia
CBT-ED supplemented with fluoxetine
what is binge eating disorder
recurrent overeating without compensatory behaviours
what is binge eating disorder often associated with
obesity
what does OFSED stand for, and what is another name for it
other specified feeding and eating disorders
EDNOS - eating disorder not otherwise specified
what are OFSED
abnormal eating behaviours that don’t meet the full criteria for any other eating disorder
give some examples of OFSED
atypical anorexia - normal weight
night eating syndrome