Psychological Aspects of GI Disease/Eating Disorders Flashcards
What is dyspepsia?
Indigestion
What can opiates do to appetite?
Suppress it
What can drinking heavily cause?
Acute gastritis
What are the metabolic causes of Anorexia, Nausea or Vomiting?
Diabetic ketoacidosis Renal tubular acidosis Hypercalcaemia Adrenocortical insufficiency Other rare causes of acidosis or alkalosis
What is porphyria?
Abnormal metabolism of haemoglobin so porphyrins are excreted in urine causing it to become darker
What does vomiting early usually signify?
Functional symptoms
When would people with pyloric problems vomit?
A few hours after eating
What investigations should be done?
Full Blood Count Biochemical profile – Blood glucose Pregnancy Test Urinalysis/ Culture Chest X-Ray Abdominal film (AXR) Ultrasound Scan (USS) – Endoscopy (UGIE)
How is the nutritional risk assessed?
- BMI –
What is refeeding syndrome?
Carbohydrate overload that they are not used to will cause an adrenalin spike (Raises Insulin, rapid generation of ATP, phosphate moves into cell causing Hypophosphataemia to develop – Electrolyte imbalance
What are the consequences of refeeding syndrome? (9)
Rhabdomyolysis – Destruction of striated muscle cells Respiratory failure Cardiac failure Leucocyte dysfunction Hypotension Arrhythmias Seizures Coma Sudden death
What are functional disorders like?
Software problem - Even though you can’t see them, does that mean they aren’t there?
What is visceral sensitivity?
General increase in pain sensation experienced in internal organs
What is anorexia nervosa?
Refusal to maintain body weight at or above a minimally normal weight for age and height
Comes with an intense fear of gaining weight or becoming fat, even though underweight
What is the minimum diagnostic criteria for Anorexia Nervosa?
15% of minimum normal weight must have been lost
Menstruation is absent
What characterises Bulimia Nervosa? (5)
Recurrent episodes of being-eating whilst:
- Eating in a discrete period of time, e.g. a 2-hour period, an amount of food that is definitely larger than most people would eat during a similar period of time and similar circumstances
- A sense of lack of control during the episode
- Recurrent inappropriate compensatory behaviour in order to prevent weight gain, such as self-induced vomiting, misuse of laxatives, diuretics, other medications or enemas
- The binge-eating and compensatory behaviours occur on average at least twice a week for 3 months 5. Self-evaluation is unduly influenced by body weight and shape.
