MSRA Flashcards
Outline the time taken for various contraceptive preparations to become effective.
instant: IUD
2 days: POP
7 days: COC, injection, implant, IUS
Which rheumatoid arthritis drug is associated with causing interstitial lung disease?
Sulfsalazine
What are the main side-effects of hydroxychloroquine?
Retinopathy
Corneal opacities
List the absolute contraindications for COCP use.
more than 35 years old and smoking more than 15 cigarettes/day
migraine with aura
history of thromboembolic disease or thrombogenic mutation
history of stroke or ischaemic heart disease
breast feeding < 6 weeks post-partum
uncontrolled hypertension
current breast cancer
major surgery with prolonged immobilisation
positive antiphospholipid antibodies (e.g. in SLE)
What is usually used as initial management of plaque psoriasis?
Corticosteroid + vitamin D analogue applied once daily (applied separately, one in the morning and the other in the evening) for up to 4 weeks
What can slow down the progression of disease in dry age-related macular degeneration?
High dose of beta-carotene, vitamins C and E, and zinc
List the motor milestones that should raise suspicion of cerebral palsy.
Not sitting by 8 months (corrected for gestational age)
Not walking by 18 months (corrected for gestational age)
Early asymmetry of hand function (hand preference) before 1 year (corrected for gestational age)
Persistent toe-walking
List the motor milestones that should raise suspicion of cerebral palsy.
Not sitting by 8 months (corrected for gestational age)
Not walking by 18 months (corrected for gestational age)
Early asymmWhat isetry of hand function (hand preference) before 1 year (corrected for gestational age)
Persistent toe-walking
List the motor milestones that should raise suspicion of cerebral palsy.
Not sitting by 8 months (corrected for gestational age)
Not walking by 18 months (corrected for gestational age)
Early asymmetry of hand function (hand preference) before 1 year (corrected for gestational age)
Persistent toe-walking
What is unusual about the relationship between mirtazapine dose and sedation?
More sedating at lower doses
How is rosace treated?
Mild/Moderate: Topical Metronidazole
Severe: Oral Doxycycline
How should C. difficile be treated?
first-line therapy is oral vancomycin for 10 days
second-line therapy: oral fidaxomicin
third-line therapy: oral vancomycin +/- IV metronidazole
Recurrent
within 12 weeks of symptom resolution: oral fidaxomicin
after 12 weeks of symptom resolution: oral vancomycin OR fidaxomicin
What GRACE score is considered high risk?
> 3%
Outline how Down syndrome risk is estimated based on maternal age.
1/1,000 at 30 years then divide by 3 for every 5 years
What CBG targets should be set for patients with GDM?
fasting: 5.3mmol/L
AND
1 hour postprandial: 7.8 mmol/L or
2 hours postprandial: 6.4 mmol/L
What is the main adverse effect of hydroxychloroquine?
Bull’s eye retinopathy (need to monitor visual acuity)
Which antiepileptics should be recommended for patients with generalised tonic clonic seizures?
males: sodium valproate
females: lamotrigine or levetiracetam
Which antiepileptics should be recommended for patients with focal seizures?
first line: lamotrigine or levetiracetam
second line: carbamazepine, oxcarbazepine or zonisamide
Which antiepileptics should be recommended for patients with absence seizures?
first line: ethosuximide
second line:
male: sodium valproate
female: lamotrigine or levetiracetam
carbamazepine may exacerbate absence seizures
Which antiepileptics should be recommended for patients with myoclonic seizures?
males: sodium valproate
females: levetiracetam
Which antiepileptics should be recommended to patients with tonic or atonic seizures?
males: sodium valproate
females: lamotrigine
List the causes of concentric visual loss.
papilloedema
glaucoma
retinitis pigmentosa
choroidoretinitis
optic atrophy secondary to tabes dorsalis
hysteria
Which cardiac drug is contraindicated in ventricular tachycardia?
Verapamil
How is methanol poisoning managed?
Fomepizole (ethanol used to be used)
How should the finding of an ovarian cyst that is < 5 cm in diameter on an ultrasound scan be managed?
A repeat ultrasound should be arranged for 8-12 weeks and referral considered if it persists.
How does presbyacusis present?
Bilateral high frequency hearing loss
Downward sloping pure tone thresholds
What effect does St John’s Wort have on CYP450?
Inducer
How often is breast cancer screening offered?
every 3 years between the ages of 50 and 71
How does radial tunnel syndrome present?
presents similarly to lateral epicondylitis however pain is typically distal to the epicondyle and worse on elbow extension/forearm pronation
What is the main ECG feature of hypocalcaemia?
Long QT
Which opioids are preferred in CKD?
Alfentanil, buprenorphine and fentanyl
What is tibolone and why should it not be used within 12 months of the last period?
Has weak oestrogenic properties
Can be used for menopause and osteoporosis
Can cause irregular bleeding within 12 months of last menstrual period
What are some side-effects of clonidine?
Dry mouth and dizziness
If someone has had a previous pregnancy complicated by GDM, when should they have an OGTT in the subsequent pregnancy?
As soon as possible after booking
What are the UKMEC4 criteria for COCP?
more than 35 years old and smoking more than 15 cigarettes/day
migraine with aura
history of thromboembolic disease or thrombogenic mutation
history of stroke or ischaemic heart disease
breast feeding < 6 weeks post-partum
uncontrolled hypertension
current breast cancer
major surgery with prolonged immobilisation
positive antiphospholipid antibodies (e.g. in SLE)
Which drug is strongly indicated in patients with AF and heart failure?
Digoxin
What are the features of Edwards syndrome?
micrognathia, low-set ears, rocker bottom feet and overlapping of fingers
What are the features of Patau syndrome (trisomy 13)?
Microcephalic, small eyes
Cleft lip/palate
Polydactyly
Scalp lesions
What is a strong risk factor for adhesive capsulitis?
Diabetes mellitus
How should severe cellulitis be treated?
co-amoxiclav, cefuroxime, clindamycin or ceftriaxone
How does viral labyrinthitis present?
sudden onset horizontal nystagmus, hearing disturbances, nausea, vomiting and vertigo
Which lymphoma drug causes peripheral neuropathy?
Vincristine
When can hormonal contraception be restarted after taking Levonelle?
Immediately
Have to wait 5 days for EllaOne (ulipristal)
How is vaginal candidiasis managed?
oral fluconazole 150 mg as a single dose first-line
contraindicated in pregnancy
NOTE: for recurrent candidiasis, use induction and maintenance therapy with fluconazole
How is facial psoriasis managed?
Mild potency topical steroids or calcitriol
NOTE: calcipotrol is irritant and coal tar is smelly
What is seen upon fluorescein staining of patients with dry eyes?
Punctate fluorescein staining of the cornea
How quickly do various contraceptive forms work?
instant: IUD
2 days: POP
7 days: COC, injection, implant, IUS
What is used to monitor treatment in haemochromatosis?
Ferritin and transferrin saturation
How should metformin and gliclazide be managed on the day of elective surgery?
METFORMIN
Give dose as per usual
SULFONYLUREAS
omit on the day of surgery
exception is morning surgery in patients who take BD - they can have the afternoon dose
When can SGLT2 inhibitors be started as initial therapy for T2DM?
After metformin has been fully uptitrated
What are the criteria for starting SGLT2 inhibitors in patients with T2DM?
T2DM associated with:
- A high risk of developing cardiovascular disease (CVD) i.e. a Q-RISK score greater than 10%
- Established CVD
- Heart failure
List some risk factors for endometrial cancer.
obesity
nulliparity
early menarche
late menopause
unopposed oestrogen. The addition of a progestogen to oestrogen reduces this risk (e.g. In HRT). The BNF states that the additional risk is eliminated if a progestogen is given continuously
diabetes mellitus
tamoxifen
polycystic ovarian syndrome
hereditary non-polyposis colorectal carcinoma
Outline the emergency management of epistaxis.
adequate first aid for 20 minutes (squeeze both nasal ala firmly and sit forward. Ice in the mouth can help)
topical adrenaline/local anaesthetic
topical tranexamic acid
nasal packing (e.g. with Rapid Rhino. Initially insert into the affected nostril. If unsuccessful, a pack in the other nostril may help. Posterior bleeds can be packed with a posterior pack, or with a Foley catheter).
surgical intervention (sphenopalatine artery ligation).
Which investigation should be performed before starting a patient on anastrazole?
DEXA Scan
What are the features of scarlet fever and how is it treated?
sore throat, fever, headache, bright red tongue and a coarse, red rash
Penicillin V for 10 days
Why should SSRIs be avoided in patients on warfarin?
Increased risk of bleeding
How does acute angle closure glaucoma present?
Fixed dilated pupil with conjunctival injection
How is acute sinusitis managed?
Analgesia and fluids
If persisting for more than 10 days, use intranasal steroids
How is acute sinusitis managed?
Analgesia and fluids
If persisting for more than 10 days, use intranasal steroids
Phenoxymethylpenicillin can be used if acute sinusitis is complicated
What does NICE recommend for rapid tranquilisation of patients with acutely disturbed behaviour?
intramuscular (IM) lorazepam or IM haloperidol + IM promethazine
What are the indications for placing a chest drain in a patient with pleural infection?
- Frankly purulent pleural fluid on aspirate
- Presence of organisms visualised in a non-purulent sample
- Pleural fluid pH < 7.2
What are the indications for placing a chest drain in a patient with pleural infection?
- Frankly purulent pleural fluid on aspirate
- Presence of organisms visualised in a non-purulent sample
- Pleural fluid pH < 7.2
How should persistent unexplained hoarseness in a patient aged >45 years old be managed?
Urgent referral to ENT
What is the strongest risk factor for psychotic disorders?
Family history
What is Hoffman’s sign suggestive of?
Upper motor neurone lesion (e.g. DCM)
What should be started alongside allopurinol in patients with recurrent gout?
Colchicine (or NSAID if not tolerated)
Should start at a dose of 100 mg OD and up-titrate every few weeks based on serum uric acid level
What is a Buckle fracture?
Incomplete transverse fracture of the radius (common in children due to increased elasticity)
What is the first-line investigation for chronic heart failure?
NT-proBNP
How is SUFE managed surgically?
In situ fixation with cannulated screws
What is caput succadaneum and how long does it take to resolve?
Soft tissue swelling from ventouse delivery, crosses suture lines
Resolves within days
What is caput succadaneum and how long does it take to resolve?
Soft tissue swelling from ventouse delivery, crosses suture lines
Resolves within days
List the incubation periods of common diarrhoeal diseases.
1-6 hrs: Staphylococcus aureus, Bacillus cereus*
12-48 hrs: Salmonella, Escherichia coli
48-72 hrs: Shigella, Campylobacter
> 7 days: Giardiasis, Amoebiasis
How is otitis externa managed?
topical antibiotic or a combined topical antibiotic with a steroid
Which diseases are associated with seborrhoeic dermatitis?
HIV
Parkinson’s disease
How is seborrhoeic dermatitis in children managed?
mild-moderate: baby shampoo and baby oils
severe: mild topical steroids e.g. 1% hydrocortisone
How should congenital inguinal hernias be managed?
Urgent referral to paediatric surgeon as high risk of complications
List some common eyelid problems.
blepharitis: inflammation of the eyelid margins typically leading to a red eye
stye (hordeola internum and externum): infection of the glands of the eyelids
chalazion (Meibomian cyst)
entropion: in-turning of the eyelids
ectropion: out-turning of the eyelids
What is the most common reason for a hip replacement having to be revised?
Aseptic loosening
Other reasons include pain and loosening
What are the criteria for diagnosing diabetes mellitus?
fasting > 7.0, random > 11.1 - if asymptomatic need two readings
What is the positive predictive value of faecal occult blood test?
5-15%
How do you work out the units of alcohol in a drink?
Volume x Percentage/1000
List some causes of gingival hyperplasia.
phenytoin, ciclosporin, calcium channel blockers and AML
How is a recurrence of C. difficile within 12 weeks treated?
Oral fidaxomicin
Which extra-intestinal manifestations of Crohn’s disease are associated with disease activity?
Arthritis: pauciarticular, asymmetric
Erythema nodosum
Episcleritis
Osteoporosis
What causes blurring of vision after cataract surgery?
posterior capsule opacification