Psychiatry Flashcards
What is Creutzfeldt-Jakob disease (CJD)
Creutzfeldt-Jakob disease (CJD) is a rapidly progressive neurological condition caused by a mis-folded protein, known as a prion.
he prion causes huge cell death in the brain; progressing rapidly from mild memory and mood changes to myoclonus, speech and language impairment, seizures and death. On post mortem, brain tissue samples shows prominent and widespread vacuole development creating a spongiotic appearance. This is associated with also massive neuronal loss. The average life expectancy in CJD is only around 5 months and it is invariably fatal.
What is splitting?
Phenomenon sometimes seen with emotionally unstable personality disorder.
Relationships alternate between idealisation and devaluation.
As a result patients may regard others as either wholly good or wholly bad, without reasonable grounds.
How does Normal Pressure Hydrocephalus present?
Wet (incontinent), Wobby, wacky
How long does acute stress reaction last?
No more than 1 month.
Difference between acute stress reaction and adjustment disorder?
Acute stress reaction is due to highly stressful event ie mugging.
Adjustment disorder is where the stressor is not as severe or outside the norm ie redundancy.
Can patients with previous heart disease take trycyclic antidepressnets?
No. CI.
What are the side effects of memantine?
Constipation
Confusion
Hallucination
How long should a hypomanic and a manic episode last?
Hypomanic - must be present for 4 days for an episode to be diagnosed
Manic - must be present for a week for an episode of mania to be diagnosed.
When does depression need to occur after birth for it to be classed as post-partum depression?
12 months
How long does a period of low mood/depression symptoms need to last for it to be classed as depression?
2 weeks
What will be raised in the blood in anorexia nervosa?
Cholesterol
How is the QT interval affected in anorexia?
Long QT interval (hypokalaemia)
Side effects of 1st line mild Alzheimer’s drugs?
Cholinergic side effects
SLUDGE
S - salivation
L - lacrimation
U - urinary incontinence
D - diaphoresis, increased salivation
G - GI distress (diarrhoea, N+V)
E - meiosis (pinpoint pupils)
SEs of anticholinergic drugs:
Hot as a hare - high temp
Dry as a bone - decreased sweating/dry mouth
Blind as a bat - dilated pupils - blurry vision
Red as a beet - high temperature
Mad as a hatter
+ constipation
What would a pansystolic murmur with a click indicate in the context of anorexia nervosa?
Mitral valve prolapse due to loss of heart muscle, with the mitral valve remaining the same size.
What is knights move thinking?
Named after they way the knight moves in chess.
This thought disorder is characterised by illogical leaps between unconnected ideas. Also known as loosening of associations.
What is the first line drug for panic diorder?
SSRI