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questions and answers in medicine
medicine
62
Medical
Undergraduate 4
06/02/2017

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Term
man presents with 36h of sudden onset pain in left big toe
what are your 2 DDX?
Definition
Gout
septic arthritis

ix: uric acid levels (usually raised >600umol)
joint fluid microscopy: under polarised light, gram stain.
FBC: wcc for infection
check UE: impaired renal fx can be a cause of impair excretion
Term
how would you treat a man for acute gout?
Definition
NSAIDS , ibuprofen or naproxen.
colchicine if said in tolerated or ci
stop precipitating meds: thiazide diuretics
Term
name 6 organs involved in SLE and a feature of it
Definition
joints: arthalgia
face: butterfly rash
renal: glomerulonephritis
lung: effusion
heart: endocarditis
CNS: depression, psychosis
vascular: vasculitis
GI: abdo pain, mouth ulcers
Term
how might mild SLE be treated
Definition
may no drugs
skin conditions: topical steroids
joint pain: nsaids
antimalarials may help mild skin disease
Term
what advice can you give to someone with sle
Definition
avoid excess sunlight
rest where possible
control CVS risk factors
consider bone health
Term
during a flare up of SLE what is most likely to be prescribed?
Definition
systemic corticosteroid either PO or depot
immunosuppresive drugs: azothiprine, MTX, RITUXIMAm
Term
what drugs should someone with SLE avoid as it can cause flare ups?
Definition
sulphonamides
contraceptive steroids may both cause flare ups.
Term
long term implications of SLE?
Definition
depression
increase risk of some cancers: lymphoma
increased risk of CVS disease: rx as primary prevention
Term
differential diagnosis of back pain in a 23 year old trainee pe teacher? back pain gets better once he gets moving.
Definition
mechanical pain
ank spondylitis
postural problem
trauma to back
disc prolapse
Term
rx option in ank spond?
Definition
NSAIDS
steroid injection
sulfasalazine for peripheral disease
infliximab
joint surgery
steroid eye drops for uveitis
avoid smoking : reduced chest expansion and pulmonary fibrosis
Term
describe the pathology of osteoporosis
Definition
there is an imbalance between osteoclastic activity and osteoblastic activity therefore more bone is being removed than being laid so gradually the bone thins.
Term
name 3 typical osteoporotic fractures
Definition
vertebra
femur
wrist
Term
what is teriperatide?
Definition
PTH injection hormone used as a bone growing agent
Term
when shadow is shorter than height is when the most or least vitamin D is produced?
Definition
the most
Term
white thick discharge, itchy uncomfortable?
Definition
thrush
Term
thin homogenous greenish offensive smelly discharge?
Definition
BV
Term
grey frothy PV discharge?
Definition
Trichomonas
Term
yellow discharge plus irregular bleeding?
Definition
Chlmaydia
Term
mucopurulent yellow discharge?
Definition
gonnorhoea
Term
what are primary and secondary dyspareunia?
Definition
primary: since onset of sexual activity
secondary: onset during sexual lifetime
Term
DDX of superficial dyspareunia
Definition
vulvovaginitis
vaginismus
vulval cyst
imperforate hymen
HSV
Term
Ddx of deep dyspareunia?
Definition
PID
endometriosis
Fibroids
cervicitis
pelvic mass
ovarian cyst
Term
definitive test to diagnose endometriosis?
Definition
laparoscopy
Term
herbal medications used for menopausal symptoms?
Definition
black cohosh - hapatic toxicity reported with this
ginseng
red clover
evening primrose oil
st johns wort
Term
when to give cyclical and when to give continuous HRT?
Definition
cyclical if LMP < 12 months ago
Continuous if LMP > 12 months ago and if age > 50 years at time of menopause.
Term
non HRT drug management for menopause?
Definition
SSRI/SNRI
gabapentin
clonidine
Term
what is clonidine?
Definition
it is an alpha 2 adrenergic agonist
Term
for all women with an intact uterus and getting HRT they also need which other hormone ?
Definition
progesterone. this is to protect against unopposed oestrogen and increased risk of endometrial cancer
Term
risks associated with taking HRT?
Definition
increased risk of VTE, breast cancer, and CVA
Term
which selective oestrogen receptor modulator can help women with menopause with symptoms of low libido?
Definition
Tibolone - this has oestrogen and progesterone activity so you don't have to add in extra progesterone.
Term
what is the link between USS of endometrial thickness of < 5mm and negative predictive value?
Definition
<5mm gives a 98% negative predictive value of endometrial carcinoma.
Term
risk factors for endometrial cancer?
Definition
diabetes
PCOS (anovulatory cycles)
early menarche
late menopause
nulliparity
tamoxifen
unopposed estrogen
older age
FHx breast, endometrial or CRC
Term
street names for
Ketamine
Cocaine
Ecstasy
Mathamphetamine
Mephadrone
Definition
Ketamine: vitamin k, special k powerful GA
Cocaine: coke
Ecstasy: pilss, e
Mathamphetamine: meth
Mephadrone: meow meow
Term
what is subtuex?
Definition
buprenorphine, it is an partial agonist antagonist. people can abuse this by crushing and injecting it. this is why suboxone was developed with is buprenoprhine with naloxone.
Term
treatment options for Hep C
Definition
combination of pegylated interferon alpha, ribavarin and protease inhibitor used.
cure rates approaching 90%
aim of cure is: sustained virological response (SVR), defined as undetectable

check serum HCV RNA six months after the end of therapy
Term
complications of Hep C rx?
Definition
ribavirin - side-effects: haemolytic anaemia, cough. Women should not become pregnant within 6 months of stopping ribavirin as it is teratogenic
interferon alpha - side-effects: flu-like symptoms, depression, fatigue, leukopenia, thrombocytopenia
Term
moa ribavarin?
Definition
nucleoside analogue
Term
depakote is used to treat?
it is valproic acid
Definition
seizures and manic episodes in bipolar people
Term
what type of laxative is Bisacodyl?
Definition
A stimulant laxitive
Term
MOA Hipprex
Definition
methenamine used in rx of recurrent UTI to suppress urinary bacteria.
Term
what kind of liver picture would u see in someone using anabolic steroids?
Definition
cholestasis +/- hepatitis
hepatic tumours
Term
what is the MOA of a statin?

when to check LFTS when using statins?

statins should be taken at night.
Definition
inhibit the action of hmg-coA reductatse, the rate limiting enzyme in hepatic cholesterol synthesis.

check LFT on baseline, 3m and 12 months.
discontinue rx if LFT raise 3 x upper limit
Term
myopathy is more common in lipophilic statins such as atorvastatin and simvastain. name some hydrophilic statins that are less associated with myopathy
Definition
pravastatin
fluvastatin
Term
a 62 year old women has an opportunistic BP of 170/100 what do you do?
Definition
Ambulatory BP monotoring
Term
after ambulatory monitoring a 62 year old ladies BP is 166/98. how would you manage this HTN?
Definition
grade 2 moderate HTN
start calcium channel blocker
Term
contraindications of calcium channel blockers
Definition
amlidipine and nifedipine avoid in
Aortic stenosis
unstable angina

verpamil and diltiazem avoid in
poor LV fx
AV Nodal conduction delay
Term
SE of calcium channel blockers
Definition
ankle swelling, flushing, headaches, palpitations
constipation, bradycardia, heart block cardiac failure.
Term
mx of ACS
Definition
abc
GTN
aspirin 300mg
o2 if sats < 94%
ECG
Term
ix in aortic stenosis
Definition
ECG to see signs of lV hypertrophy
CXR: cardiac enlargement or calcification of aortic valve
echo: diagnostic
Term
when is valve replacement recommended in aortic stenosis?
Definition
when valve pressure is >50mmHg in a symptomatic pt

please note Abx prophylaxis is not recommended for dental procedures.
Term
what is hf?
Definition
inability of the CO to meet the bodes demand despite normal venous pressures
Term
4 common symptoms of HF?
Definition
breathlessness
fatigue
ankle swelling
orthopnea
cough
Term
NYHA grades
Definition
1 no dyspnoea
2. dyspnoe on ordinary activities
3 dyspnoea on less than ordinary activities
4. dysnoea at rest.
Term
6 signs of heart failure
Definition
heaving apex beat
bi basal crackles
pitting oedema
pulsus alternans
raised JVP
gallop s3
Term
pathophysiology of signs in HF
Definition
displaced apex from LV hypertrophy
RV heave from pulmonary HTN
bibasal crackles: cardiac asthma or fluid in lungs
pitting oedema: RH failure
gallop rhythm: due to ventricular dysfunction
Term
possible causes of HF
Definition
endocrine: HTN, diabetes
Post MI: Mitral regurg
drugs: beta blockers, cytotoxics, cocaine, alcohol
valvular: degenerative calcification of aortic valve
lifestyle: smoking, obesity, lack of exercise
genetic: cardiomyopathies eg HOCOM
nutritional: malnutrtion, thiamine deficiency, selenium deficieny
infective: endocarditis, chagas disease, HIV
AI: Haemochromatosis
Term
ix in HF
Definition
FBC: anemia, glucose, BNP levels, tropnin
ecg: LV hypertrophy
ECHO: gradient
CXR: cardiomegaly and pleural effusions
swan-Ganz catheter to measure end diastolic pressures.
Term
prognosis of HF?
Definition
50% of pts with severe HF dies within 2 years
Term
symptoms associated with IBS for 6months
Definition
abdo pain
bloating
change of bowel habit
Term
prevalence of coeliacs in UK?
Definition
1 in 300
Term
what is the anaemia that presents in coeliacs disease?
Definition
iron, b12 deficiency anaemia
Term
which HLA associated with coeliacs?
Definition
DQ2 and DQ8
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