Eating disorders Flashcards
What is anorexia nervosa?
intense fear of gaining weight, significantly lower weight
What is bulimia nervosa?
recurrent episodes of binge eating then recurrent compensatory behaviour to prevent weight gain (vomit)
How long to get diagnosed with bulimia?
1x a week for 3 months
What is binge eating disorder?
binge eating with no compensatory behaviour (vomit)
MUST have 3 of :
eating rapidly
uncomfortably full
eatingg when not hungry
feeling guilty
IS AN or BN more connected to genetics?
AN
What does starvation do to the body?
increased cortisol causing HPA suppression which causes low hormones (amenorrhea and low libido
not a lot of tryptophan to make serotonin
What trigger most commonly causes HPA suppression?
stress
Which gender gets more eating disorders?
females
Which eating disorder has higher rates of mortality?
anorexia
What are the consequences from long term anorexia?
starvation, cardiac arrest, suicide
Do hospitalized pregnant women. or bulimic have higher heart attack risk?
bulimia
What mental disorder is common with eating disorders?
Anxiety, mood substance use
What is the general principle of treatment of eating disorders?
it is a coping mechanism so fix underlying and offer treatment for the symptoms
What happens if no estrogen?
osteoporosis, lowered growth, low libido, unexpected pregnancies
What event is a common relapse for eating disorders?
pregnancy
How can eating disorders effect pregnancy?
poor wight, miscarriage, nutrient deficiency, post partum depression
When will periods return?
in 6 months of achieving body weight of around 90%
What cardio complications can occur from AN?
prolonged QTc
Cardiac atrophy
bradycardia
arrhythmia
hypotension
At what QTc are you at risk of TDP?
> 470
What causes the arrhythmia in AN?
Low K
Will cardiac issues resolve?
with weight restoration yes
BUT
irreversible myocarditis with emetine toxicity
What does chronic ipecac use do?
induces vomitting
irreversible myocarditis
How can we lower refeeding risk?
refeed slow
phosphorus supplement
hospital
How can we treat gastroparesis?
Domperidone and metoclopramide
Why is domperidone better than metoclopramide?
doesn’t cross BBB= no EPS