Passmed Questions Flashcards
Values of impaired glucose toleranve test
After 2 hours it increases to 7.8 or higher but below 11.1
Prophylaxis treatment for cluster headache
Verapamil
Are c-peptide levels high in type 1 or type 2 diabetes
T2DM
1st and second line treatment for muscle rigidity and spasms in MA
First line baclofen
Second line gabapentin
What supplements can affect levothyroxine
Iron or calcium tablets can affect absorption levothyroxine resulting in low T4 and high TSH
Tamoxifen action
Selective oestrogen receptor modulator
what would affect PSA levels and how long should you wait before performing the test ?
prostate biopsy - 6 weeks
UTI - 4 weeks
DRE - 1 week
ejaculation and vigorous exercise - 2 weeks
TREATMENT FOR LYME DISEASE IF DISSEMINATED INFECTION
Ceftriaxone
single most important indicator for liver transplant in paracetamol overdose
PH < 7.3
USS screening in AAA
< 4.5 = 12 monthly
4.5 - 5.5 = 3 monthly
>5.4 or rapidly growing aneurysm = rapid referral to vascular
difference in anaemia of chronic disease and iron deficiency anaemia on blood results
both low iron and transferrin
iron deficiency has high TIBC
anaemia of chronic disease has low TIBC
what drugs are contraindicated with concurrent use of sidenifil
nitrates or nicorandil
what heart condition is associated with turners syndrome?
bicuspid aortic valve (ejection systolic murmur)
coarctation of aorta (late systolic)
what’s the most serious long term complications associated with turners syndrome?
aortic dilatation and aortic dissection
in what condition should donepezil be avoided?
(also what is donepexzil’s action and what is it used for?)
cholinesterase inhibitor
used in alzheimers
increases vagal tone thereby causing bradycardia.
avoided in sick sinus syndrome and other heart conditions
adverse effects of donepezil
insomnia
bradycardia
indomethacin or prostaglandin E1 for treatment of PDA
indomethacin to close duct
prostaglandin E1 to keep duct open if there is a concurrent congenital heart defect that requires repair
what is the theoretical risk associated with giving the rotavirus too late?
intussusception
at how many weeks should the first and second doses of rotavirus be given by
1st dose by 14 weeks
2nd dose by 25 weeks (6 months)
what condition is found in 50% of patients with degenerative cervical myelopathy
carpal tunnel syndrome
Hg, MCV and reticulocyte count found in sickle cell patients
Hg low
MCV normal
reticulocyte high
drugs that can cause pancreatitis
azathioprine, mecaptopurine, sodium valproate, furosemide, bendroflumethiazide, pentamidine, steroids
pancreatitis makes anyone furious because its so sore
been abroad recently and presented with constipation and fever
typhoid fever (salmonella typhii)
What rise in creatinine and drop in eGFr is acceptable when starting ACE inhibitors
20% drop in eGFR
30% rise in creatinine
at what size is a breast fibroadenoma for surgical excision
> 3cm
most common causative organism of epididymo-orchitis
chalmydia
if antibiotics are required for campylobacter what is abx of choice
clarithromycin
1st line imagine for suspected stroke
head CT non-contrast
what type of collagen makes up the vitreous humor of the eye
type II
what type of collagen makes up the lens of the eye
type III
causative organisms of chest infection post influenza infection
staph aueus
how to test for the main adverse effect of kawasaki
aortic aneurysms - echo
criteria for expectant management in ectopic pregnancy
size < 35mm
no symptoms
no foetal heart beat
bHCG < 1000
unruptured
criteria for medical management in ectopic pregnancy
size < 35mm
pain
no foetal heart beat
bHCG < 1500
unruptured
criteria for surgical management in ectopic pregnancy
size >35mm
pain
foetal heart beat
ruptured
bHCG >5000
intrauterine pregnancy
surgical management for ectopic pregnancy
salpingectomy
salpingotomy if risks of infertility such as contralateral tubal damage
pathophysiology of subcortical vascular dementia
small vessel disease
CURB scoring
confusion (abbreviated mental score 8 or more)
urea >= 7
RR >= 30
BP <= 90 systolic +/or <= 60 diastolic
mode of action of rifampicin
inhibits bacterial DNA dependent RNA polymerase preventing transcription of DNA into mRNA
prophylactic medication given in people with varices
propanolol is given to prevent variceal bleeding