Eating Disorders Flashcards
What does the DSM-5’s chapter of feeding and eating disorders entail?
A persistent disturbance in eating or eating-related behaviour that results in the altered consumption or absorption of food and that significantly impairs physical health or psychosocial functioning.
Define anorexia nervosa.
An eating disorder where the individual is significantly underweight and suffers from a fear of gaining weight and body image disturbance.
Who proposed the term anorexia nervosa?
Gull.
Who was the first to provide formal diagnostic criteria for anorexia?
Gerald Russell.
Give Russell’s criteria for anorexia. (3)
Characteristic attitudes and behaviours, the effect on weight, and symptoms of the hormonal disturbance associated with weight loss.
According to the DSM-5, what is the primary characteristic of anorexia?
A relentless pursuit of thinness resulting in weight loss substantially below a normal body weight.
Name the two subtypes of anorexia nervosa.
A restricting and a binge eating/purging type.
How is the binge eating/purging subtypes of anorexia distinct from bulimia?
Patients with bulimia are not underweight.
Define bulimia nervosa.
An eating disorder where an individual engages in recurrent binge eating episodes and compensatory behaviours (like vomiting) designed to prevent weight gain.
What is the Clinician Administered Staging Instrument for Anorexia Nervosa?
An instrument for staging anorexia nervosa based on symptomatic severity.
Name the stages of anorexia as measured by the Clinician Administered Staging Instrument for Anorexia Nervosa. (4)
Stage 1 (mild illness pathology, stage 2 (moderate illness pathology), stage 3 (moderate-severe illness pathology), and stage 4 (extremely severe illness pathology).
What is a binge-eating episode?
An instance of disordered eating characterised by eating an excessive amount of food, accompanied by a sense of lack of control over eating.
Define binge-eating disorder.
An eating disorder where an individual engages in recurrent binge eating episodes but does not engage in compensatory behaviours designed to counteract the calorie intake.
Who recognised binge eating disorder?
Spitzer.
Give the diagnostic criteria for binge eating disorder. (8)
Binge eating episodes at least once weekly for three months, but not regularly engaging in inappropriate weight-control behaviours characteristic of bulimia, distress, and three of the following: eating faster than normal, eating until uncomfortably full, eating when not hungry, eating alone because of embarrassment, or feeling disgusted, guilty or depressed after eating.
What is avoidant/restrictive food intake disorder?
A syndrome of children with autistic spectrum disorders and adults with swallowing or food phobias.
Give the characteristics of avoidant/restrictive food intake disorder. (5)
Persistent eating disturbance so that nutritional needs are not met, underweight, deficiency in essential nutrients, dependence on enteral nutrition or medically prescribed oral supplementary feeding, and impairment in psychosocial functioning.
Name the DSM-5’s residual categories for disturbances that do not fully meet the criteria for specified eating disorders.
Other specified feeding or eating disorder, and unspecified feeding or eating disorder.
Name the five other specified feeding or eating disorder types described by the DSM-5.
Atypical anorexia, bulimia nervosa and binge eating disorder of low frequency and/or duration, purging disorder, and night-eating syndrome.
Define atypical anorexia nervosa.
All criteria are met for anorexia, except low weight.
Define purging disorder.
Purging behaviours in the absence of binge eating.
Define night-eating syndrome.
Excessive eating after the evening meal or eating at night after awakening from sleep.
When is the unspecified feeding or eating disorder category used?
When the feeding or eating disorder causes significant distress and impaired psychosocial functioning but there is insufficient information to specify the type of disorder.
What is pica?
The eating of one or more non-food substances on a persistent basis for at least one month.