what is schizophrenia
dissassociation from reality for at least 28 days and NOT due to substance misuse
median age for schizo
25
what is transient psychosis
dissasociation from reality for less than 28 days
what lobe does shcizo most commonly affect
temporal
does schizo affect males more or females
equal
2 theories associated with schizo
describe the neurodevelopment hyp[othesis
hypoxic ischaemic injuury or birth complications can impair brain development and increasr risk of schizo
describe the neurotransmitter hypothesis
if you have increased neurotrasnmitter in mesolimbic pathway –> more positive sx
if you have decreased neurotrasnmitter in mesocortical pathway –> more negative sx
what do positive schizo sx refer to
abrnormal sx that should not exist
what do negative schizo sx refer to
sx that should exist but dont
rf for scizophrenia
fhx - mc
smoking cannabis in youth
traumatic birth
MHI
trauma+abuse
mc type of scizophrenai
paranoid shizoprehnia
characterised by persecutory delusions
othet types of schizophrenia
DVLA rules for schizophrenia
cant drive unless youve had 3m on treatment or good psych report
how to catgeorise sx of schizophrenia
Schneider’s first-rank
Schneider’s second rank
need 1 first rank and 2 second rank to diagnose
what are the schneider’s first rank symptoms
what are the second rank symptoms
ddx for psychosis
drug induced
shizoprehnia
depression
syphillis
huntingtons
meds - steroids,cocaine, meth,LSD, ectasy
how to diagnose schizoprehnia
need 1 frirst rank schneider or 2 second rank symptoms for at least 28 days
what bloods to do for shizoprehia
FBC
U+E
TFT
Syphillis serology
Hba1C
B12+folate
urine
toxicology
treatment of schizophrenia
trial antipsyhcotic for at least 6-8w
then try another one
last line –> clozapine
other treatments of shizophrenia
CBT,CMHT,crisis team
Consider MHA 2 or 3 Section
consider social worker + care program apporach
what is late onsent shizophrenia
over 45y
better prognosis
tx low dose anitpsychotics
what is delusional disorder
isolated delusions for more than 3m
no loss of function
no psychosis
consider CBT