Ch 22 Eating Disorders Flashcards
what neurotransmitters are common in eating disorders
serotonin and norepinephrine dysfunction
what is the appetite regulation center
hypothalamus
eating behavior is influenced by what
society and culture
what is the epidemiology of anorexia nervosa
women 12-30 yrs
in US about 1% of women
what is the epidemiology of bulimia nervosa
more prevalent than anorexia
about 4% of women
onset is adolescence
prevalent in thin societies
what is obesity defined as
BMI > 30
what percent of adult Americans are overweight
68.5%
what percent of Americans are in the obese rage
35%
this is the morbid fear of obesity
anorexia nervosa
what is amenorrhea
abnormal absence of menstruation, prevalent in anorexia pts
describe symptoms of anorexia nervosa
gross distortion of body image, preoccupation with food, refusal to eat, weight loss is extreme, hypothermia, bradycardia, hypotension, edema, lanugo, metabolic issues
what feelings are common in anorexia
depression and anxiety
what is the body weight percent decrease in an individual with anorexia
> 15% of expected weight
this is episodic, uncontrolled ingestion of large quantities of food followed by inappropriate compensatory behaviors to rid body of excess calories
bulimia nervosa
what are examples of behaviors to rid body of excess calories
self induced vomiting, misuse of laxatives, diuretics, or enemas
symptoms of bulimia
fasting/excessive exercise, depression, anxiety,
what do excessive diuretics or vomiting cause
dehydration and electrolyte imbalance
what is the weight of bulimia pts
within normal range is most common
underweight or over weight
DSM 5 identifies BED as a disorder that can lead to
obesity
individual binges a large amount of food but does NOT engage in behaviors to rid body of excess calories
Binge Eating Disorder (BED)
predisposing factors
genetics, neuroendocrine abnormalities, neurochemical influences, disturbances in mother-infant interactions, family influences
normal weight BMI
20-24.9
obesity BMI
greater than or equal to 30
anorexia BMI
less than or equal to 17
15 is extreme
nursing diagnoses for eating disorders
imbalanced nutrition, deficient fluid volume, ineffective denial, disturbed body image, anxiety
when is hospitalization necessary for eating disorders
malnutrition, dehydration, electrolyte imbalance, cardiac arrhythmia, severe bradycardia, hypothermia, hypotension, suicidal ideation
treatment for eating disorders
behavior modification, individual therapy, family therapy, psychopharmacology
pharmacology for eating disorders
no meds for eating disorders
prescribed for associated symptoms like anxiety and depression
what drugs sometimes work for anorexia
prozac
zyrexa
what drugs sometimes work for bulimia
prozac
nardil
what drugs sometimes work for BED
topamax
what drugs sometimes work for obesity
prozac
belviq
qsymia
