Flashcards in Eating Disorders Deck (23):
Which eating disorders are there in ICD10?
-Atypical anorexia nervosa
-Atypical bulimia nervosa
-Overeating associated with other psychological disturbances
-Vomiting associated with other psychological disturbances
-Other eating disorders
-Unspecified eating disorders
Define anorexia nervosa
A disorder characterized by deliberate weight loss, induced and sustained by the patient.
Who does anorexia nervosa affect?
It occurs most commonly in adolescent girls and young women, but adolescent boys and young men may also be affected, as may children approaching puberty and older women up to the menopause.
What is the underlying psychopathology of anorexia nervosa?
A dread of fatness and flabbiness of body contour persists as an intrusive overvalued idea, and the patients impose a low weight threshold on themselves.
What physical illness is associated with anorexia nervosa?
There is usually undernutrition of varying severity with secondary endocrine and metabolic changes and disturbances of bodily function.
What are the symptoms of anorexia nervosa?
restricted dietary choice, excessive exercise, induced vomiting and purgation, and use of appetite suppressants and diuretics.
What is atypical anorexia nervosa?
Disorders that fulfil some of the features of AN but which the clinical picture does not justify that diagnosis.
What is bulimia nervosa?
A syndrome characterized by repeated bouts of overeating and an excessive preoccupation with the control of body weight, leading to a pattern of overeating followed by vomiting or use of purgatives.
What key feature do bulimia nervosa and anorexia nervosa share?
Overconcern with body shape and weight
What is a common complication of bulimia nervosa?
Electrolyte disturbances and physical complications due to repeated vomiting
What is atypical bulimia nervosa?
Disorders that fulfil some of the features of bulimia nervosa, but in which the overall clinical picture does not justify that diagnosis.
What psychological disturbances can cause a pt to overeat?
Stressful events eg bereavement, accidents, childbirth
What are the 2 subtypes of anorexia nervosa?
How do pts with AN lose weight?
-Eat very little
-Compensate for what they have eaten
How can a pt with diabetes and AN lose weight?
Omit or reduce insulin doses, which can cause collateral damage
How common is AN?
10-30 per 100,000
How common in BN?
50-100 per 100,000
What are the different types of BN?
Purging and non-purging
What are some of the physical symptoms of AN?
-Lanugo body hair
What CVS complications can AN cause?
Decreased LV mass and abnormal systolic function
(Low K+ ->) Ventricular arrhythmia
What endocrine/metabolic complications can AN cause?
-Euthyroid sick syndrome
What GI complications can AN cause?