Eating Disorders Flashcards
What is anorexia nervosa?
- Restriction of energy intake relative to requirements leading to a low body weight
- Intense fear of gaining weight of becoming fat even though underweight
What are the 3 essential criteria for anorexia nervosa?
- Self induced starvation (a behavior)
- Relentlessness drive for thinness or morbid fear of fatness (a psychopathology)
- Presence of medical signs and sxs resulting from starvation (a physiological symptomatology)
What is bulimia nervosa?
Recurrent episodes of binge eating followed by recurrent inappropriate compensatory behavior in order to prevent weight gain.
When do binge eating episodes occur in someone with bulimia nervosa?
- Once a week for 3 months
- Within a 2 hr period of eating an amount of food that is larger than more people would eat during a similar period of time and under similar circumstance
- Lack of control over eating during the episode
What is binge eating disorder?
- Recurrent episodes of binge eating
- NOT associated w/ recurrent use of inappropriate compensatory behaviors
- Distress regarding binge eating is present
In order to be diagnose with binge eating disorder you must be associated with 3 or more criteria, what are those?
- Eating much more rapidly than normal
- Eating until feeling uncomfortably full
- Eating large amounts of food when not feeling physically hungry
- Eating alone because of being embarrassed by how much one is eating
- Feeling disgusted within oneself, depressed, or very guilty after overeating
When do episodes of binge eating occur in a pt with binge eating disorder?
Occurs at least once a week for 3 mos
What is seen on a CBC panel in a pt with anorexia nervosa?
- Anemia
- Leukopenia
- Thrombocytopenia
What is seen on an electrolyte panel in a pt with anorexia nervosa?
- Very low potassium- hypokalemic alkalosis
- Hypochloremia
- Dehydration
What is seen on a fasting blood glucose lab in a pt with anorexia nervosa?
Mono-symptomatic hypoglycemia
What is seen on a ECG in a pt with anorexia nervosa?
- T wave flattening or inversion
- ST segment depression
- Lengthening of QT interval
What is seen on an electrolyte panel in a pt with bulimia nervosa?
- Hypomagnesium
- Hyponatremia
- Hypokalemia
- Hypocholesterolemia
- Hyperamylasemia
What is restrictive type of anorexia?
Within the last 3 months w/o binge and purging
What is binge-eating/purging type of anorexia?
Within the last 3 months w/ binge and purging
What other dxs looks like an eating disorder?
- Food intolerance/allergy
- Hypothyroidism
- Cancer
- AIDs
- GI/Tapeworm
- Depression
- Substance use
