Eating Disorders Flashcards
What is the clinical indicator of anorexia?
BMI <17.5
What is the characteristics of weight loss in anorexia?
Self induced: Calorie counting Avoiding fattening foods Laxatives/diuretics Excessive exercise Self induced vomiting (Russels sign)
What is the psychopathology in anorexia nervosa?
Overvalued idea- obesity= failure, slimness= control, success
Fear of fatness
Body imade distortion
What endocrine abnormalities can occur in anorexia nervosa?
Amenorrhea
Loss of sexual interest
Elevated growth hormone/cortisol
Abdnormal insulin secretions- diabetes
What are the two types of anorexia nervosa?
Restricting
Binging/Purging
What is the difference between bulimia nervosa and anorexia?
Same fear of fatness but attempts to restrict intake fail resulting in more frequent binging
Normal/increased weight and no endocrine abnormalities
What other psychiatric disorders are associated with anorexia and bulemia?
Depressive symptoms
Obsessive compulsive behavior
Personality disorders
What is an anakastic personality disorder?
Preoccupation with rules/details Perfectionism that interferes with task completion Excessive doubt COnscientiousness to a fault Pedantic, rigid, stubborn Resistant to change
What is somatization?
Experience psychological disturbance with somatic symptoms but there is not underlying pathology to explain this.
What is factitious disorder?
Intentional feigning of an illness
related to munchausen syndrome
No obvious external gain
What is malingering?
Deliberate simulation/exaggeration of symptoms with obvious understandable gain eg, financial
What do tricyclics (TCA’s) do?
Enhance monoamine activity in brain
Muscarinic receptor blockade
Get dry mouth and contipation
What do selective serotonin reuptake inhibitors cause?
Nausea vomiting, diarrhoea, abdomnal cramps
Stimulate 5HT3 receptors
How do antipsychotics work?
Dopamine and muscarinic receptor blockade- dry mouth
Can get weight gain
