October Flashcards
what do H2 antagonist do?
inhibit H/K/ATPase pump
example of a H2 antagonist?
lansoprazole
dose of adrenaline for anaphylaxis?
0.5mg 1:1000
dose of adrenaline for arrest?
1mg IV of 1:10,000
how long do pts need to be off PPI prior to h pylori testing?
2 weeks
how long should a PPI be trialled for?
4 weeks
what chromosomes are PKD on?
1 = 16 (worse)
2 = 14
treatment for tonsilits?
10 days PO phenoxymethylpenicillin
centor criteria? score needed to treat?
3/4
no cough
exudate
swollen LNs
fever
investigation for acromegaly?
IGF1 levels initially
what is oliguria?
less than 400mls in 24hrs
cervical screening in england?
25-29 3yrly
50-64 5 yrly
cervical screening in scotland?
5 years 24-64yrs
what is auspits sign? condition seen in?
bleeding on skin when layers removed
psoriasis
what is koebner phenomenon? condition seen in?
new skin lesions in areas of trauma
lichen planus
what is nikolskys sign? condition seen in?
lateral pressure on egde of blister dislodges upper layers
pemphigus
what is a positive pathergy test? condition seen in?
needle inserted auses a papule to form
behcet’s
what Abx are given to meningitis contacts?
co-trimoxazole
cipro
what side are symptoms of a cerebellar stroke seen on?
ipsilateral
describe a holmes aidie pupil?
fixed dilated
absent knee and ankle jerks
treatment for chlamydia?
azithromycin or doxy (avoid in pregnancy)
treatment for BV?
metronidazole
what condition are clue cells seen in?
BV
treatment for gonorrhoea?
ceftriaxone
mechanism of warfarin?
reduces protein C level
examples of vasodilating CCBs?
nifedipine
amlodipine
treatment for angina?
BB, GTN, CCB
what type of CCB should NOT be used alongside BB? WHY?
rate limiting - verapamil/diltiazem
can cause bradycardia
what drug reduces the efficacy of clopidogrel?
omprazole
what increases the absorption of levothyroxine?
iron
treatment ladder for asthma in kids?
ICS or LTRA <5
+ LABA or LTRA
increase ICS dose
Stop LABA if not responding
treatment for cluster headaches?
nasal sumatriptan
what reduction of renal function is acceptable after starting an ACE?
<25% (repeat U+Es)
how often is monitoring for MTX? what blood tests?
1-2 weeks when initiating
2-3 months once started
FBC, U+Es, LFTs
what gives a string sign?
carotid artery dissection on CT angio
medical treatment for prolactinoma?
dopamine agonist
bromocriptine
when are scans done for babies at risk of DDH? who gets them?
US scan <6 weeks
breech babies
FHx of hip problems in 1st degree relative
what gives a machine like murmur?
PDA
blood changes in EBV?
raised LFTs
thrombocytopenia (low platelets)
murmur associated with HCM?
mid systolic murmur
jerky pulse