Last bits: Flashcards
What are the characteristics of anorexia nervosa?
- Distorted body image
- Overvalued idea (fear of fatness)
- BMI <17.5
- Disturbed endocrine function (amenorrhoea)
Who does anorexia typically affect?
12-20y/o women
What is the treatment for anorexia nervosa?
- Education
- CBT
- +/- hospitalisation (beware of refeeding syndrome)
What is refeeding syndrome?
Starting to eat again after a long period of starvation appears to precipitate cardiac failure (usually occurs within 4 days of refeeding). This is due to intracellular low phosphate during starvation but normal blood phosphate (due to catabolism of fat and protein). When refeeding starts insulin is produced which then causes phosphate to go into cells thus causing hypophasphataemia = cardiac failure.
What are the characteristics of bulimia?
- Binging and purging
- Weight low/normal/high
- Morbid dread of fatness
- Self-set low weight threshold
Who does bulimia usually present in?
15-35 y/o women
What is the treatment for bulimia?
- Education - dietician
- CBT
- SSRIs
What would you seen in someone acute alcohol withdrawal and delerium tremens?
8-12 hours: - Tremor - Agitation - N&V - Sweating - Palpitations 36 hours: - Seizures (GCT) 48-72hours (delirium): - Coarse tremor - Confusion - Agitation - Delusions - Auditory and visual hallucinations - Fever - Tachycardia - HTN
What is the management of acute alcohol withdrawal?
1) ABCDE
2) Treat hypoglycaemia
3) Reducing regime of chlordiazopoxide (5-7 days)
4) Carbamazapine or phenytoin (if seizures)
5) Thiamine (Pabrinex)
What does giving thiamine prevent in alcohol withdrawal?
Wernickes encephalopathy and ultimately Korsakoffs syndrome
What is the triad of possible compllications in you don’t give thiamine in alcohol withdrawal?
Wernickes Encephalopathy triad: - Opthalmoplegia - Ataxia - Confusion (+/- nystagmus)
What are two symptoms which may suggest Korsakoffs Syndrome is developing?
- Amnesia
- Confabulation
What is the recommended intake of alcohol per week for men and women?
14 for both
What medications can be used to prevent long term drinking in someone?
Disulfiram - produces an acute sensitivity of ethanol due to inhibition of ADH
Acamprosate - thought to stabilise chemical signalling in the brain that would otherwise be disrupted by alcohol withdrawal
Naltrexone - treats withdrawal symptoms
What questionaries can be used to assess someones drinking habits?
- CAGE
- AUDIT