Anorexia and Bulemia Flashcards
What is anorexia nervosa?
https://www.youtube.com/watch?v=OMbpExKKKVo
Condition most commonly seen in young women in which there is marked distortion of body image, pathological desire for thinness, and self-induced weight loss by a variety of methods
What are the diagnositc criteria for anorexia nervosa?
- Low body weight - reduced by 10-15% of expected body weight
- Self-induced weight loss - avoidance of fattening foods
- Body image distortion
- Endocrine disorders
- Delayed/arrested puberty
As part of the diagnostic criteria for anorexia nervosa, what classes as low body weight?
BMI /= 15% weight loss
How do you calculate BMI?
Weight (kg)/Height (m)2
As part of the diagnostic criteria for anorexia nervosa, what ways to individuals self-induce weight loss?
- Avoidance of fattening foods
- Vomiting
- Purging
- Excessive exericse
- Use of appetite depressants
As part of the diagnostic criteria for anorexia nervosa, what how does body image distortion normally manifest?
Dread of fatness - over valued idea, imposed low weight threshold
As part of the diagnostic criteria for anorexia nervosa, what endocrine disorders can occur in anorexia nervosa?
- Amenorrhoea
- Reduced libido
- Raised GH levels
- Raised cortisol
- Altered TFTs
- Abnormal insulin secretion
What are the different types of anorexia nervosa?
- Restrictive
- Binge/Purge
What is the difference between bulimia nervosa and the binging/purging subtype of anorexia nervosa?
Bulimics are often normal body weight with purging behaviour, whereas anorexic purgers are low body weight
If someone presened with symptoms of anorexia, what would be your differential diagnosis?
- Chronic debilitating physical disease
- Brain tumour
- GI disorder - Crohn’s, coeliac, malabsorptive disorders
- Medications - loss of appetitie
- Depression
- OCD
In terms prevalence, what is the ratio of females to males for anorexia nervosa?
10:1
What is the normal BMI range?
18.5 to 24.9
What are common dental problems seen in anorexia nervosa?
Tooth decay - mainly due to vomiting
What GI problems can occur in someone with anorexia nervosa?
Constipation/Prolonged GI transit - due to:
- Delayed gastric emptying
- Gastric atrophy
- Decreased intestinal mobility
What endocrine problems occur in anorexia nervosa?
- Hypothermia
- Altered thyroid function
- Hypercortisolaemia
- Amenorrhoea
- Delayed puberty
- Arrested growth
- Osteoporosis
What meabolic problems occur in anorexia nervosa?
- Hypokalaemia
- Hyponatreamia
- Hypoglycaemia
- Refeeding syndrome
What renal problems can occur in anorexia nervosa?
Renal calculi
What reproductive problems can occur in someone with anorexia nervosa?
- Infertility
- Low birth weight infant