eating disorders Flashcards
outside range of normal; accompanied by anxiety, guilt; result in physiologic imbalances, medical complications
eating disorder
An eating disorder characterized by the patient’s inability refusal or inability to maintain a minimally normal body weight, intense fear of gaining weight or becoming fat, significantly disturbed perception of the shape or size of the body, & steadfast inability or refusal to acknowledge the existence or seriousness of a problem
anorexia nervosa
An eating disorder characterized by recurrent episodes ( at least twice a week for 3 months) of binge eating followed by inappropriate compensatory behaviors to avoid weight gain such as purging ( self-induced vomiting or use of laxatives, diuretics, enemas, or emetics) fasting, or excessively exercising
bulimia nervosa
Consuming a large amount of food ( far greater than most people eat at one at one time) in a discrete period of usually 2 hours or less
binge eating
Ritualistic or repetitive behaviors the patients carries out continuously in an attempt to neutralize anxiety
compulsive overeating
how do eating disorders occur in people?
- disruptions in the nuclei of the hypothalamus
- genetic vulnerability
- neurochemical changes (norepinephrine, serotonin)
An extreme discrepancy between one’s body image & the perceptions of other & extreme dissatisfication with one’s body image.
body image disturbance/dissatisfaction
- denial
- amenorrhea
- bmi less than 17.5
- pre occupied with food, dieting, and exercise
anorexia nervosa
what are s/s of anorexia?
constipation, sensitive to cold, lanugo hair on body, hair loss, dry skin, dental caries, pedal edema, bradycardia, enlarged parotid glands and hypothalamus, electrolyte imbalance, dry yellowish skin, difficulty maintaining body temperature, Cachectic appearance,
What types of laboratory test would you see with anorexia?
Anemia & leukopenia with lymphocytosis; thrombocytopenia
Possible impaired liver function
Hypoalbuminemia
Elevated blood urea nitrogen ( dehydration)
Abnormal blood glucose level
Psychopharmacology Anorexia Nervosa
amitriptyline, cyproheptadine, olanzapine, fluoxetine
Recurrent episodes of TRIGGER → BINGING EATING → (secretive,guilt, disgust); → PURGING
Bulimia Nervosa
What signs should you monitor for with purging?
Callus on “preferred” finger Hoarseness, GERD Teeth enamel erosion/cavities Swollen parotid glands Inflammation of esophagus
what are the signs of bulimia?
Signs of bulimia include (A) irritation and inflammation of the pharynx as well as the esophagus from chronic vomiting and (B) erosion of the lingual surface of the teeth, loss of dental enamel, periodontal disease, and extensive dental caries
What laboratory and diagnostic test would you notice with a person with bulimia nervosa?
Hypokalemia Hypochloremia
Anemia
Hyponatremia Hypomagnesmia Decreased estrogen(women)
Decreased testosterone (men)