Key facts from MSCAA test Flashcards
What is the life long management of mechanical heart valve?
A - clopidogrel
B - Apixaban
C - Warfarin
Warfarin (cause of type of valve)
Patient presents with vomiting and severe chest pain after a large meal….
Oesophageal rupture
Boerhaave’s syndrome
What is the treatment for prolactinoma?
1st line - Carbergoline
2nd line - Transspheniodal surgery
What is haemochromotosis?
What is the screening test for haemochromotosis?
Management?
Autosomal recessive disorder of iron absorption and metabolism
Transferrin saturations
(Typical bloods: High ferritin levels)
Venesection
Which rheumatology conditions correlate to: Anti CCP Anti-dsDNA Antinuclear antibody Anti-Ro & Anti-La RF Anti-Jo1 Anti-Scl-70
Anti CCP most specific for RA
RF - also for RA but not specific
Anti-dsDNA - SLE (Anti-Sm also)
ANA - not specific - seen in SLE, Sjrogrens and mixed connective tissue
Anti-Ro & Anti-La - Sjogren’s
Anti-Jo1 - Polymyositis/Dermatomyositis
Anti-scl-70 -scleroderma
Mechanism of action for cocaine on heart
Coronary artery spasm
What malaria causes cerebral involvement?
Plasmodium falciparum
How do you differentiate between hydrocele and epididymal cyst?
Both transilluminate however, hydrocele surrounds entire testis whereas epididymal cyst is isolated to one side of the scrotum and superior to the testis
Hydrocele can be idiopathic or secondary to testicular cancer
What is the equation for working out maintenance fluids of an adult for 24 hours?
For eg if the patient is 70kg
Typically 25ml per kilogram
Eg - 70 x 25 = 1750ml
What is the equation for working out fluids for burns?
Rules for administration
Hopefully they give % of burn
If not - Use the rule of 9s
4 x weight x % of body burn
Rules for administration - give first 50% over 8 hours then next 50% over following 16 hours
What do you give for delirium in MFE?
Haloperidol
What do you give for delirium in Parkinson’s
Lorazepam
can’t give haloperidol cause of extrapyryidmal effects
Does RA or OA affect the 1st carpometacarapl (CMC) joint? At the base of the thumb.
OA will affects the 1st CMC not RA (affects the MCP)
Ureter stones management
If up to 5mm - pass themselves
If up to 2cm - shockwave
If infected/obstructed - Nephrostomy
Investigations for Ureteric stones
1st line - Abdo X-ray
Definitive - CT scan
Young men who smoke cannabis who present breathless and reduced O2 sats…
Pneumothorax
Primary pneumothorax management
If <2cm and asymptomatic - discharge home with worsening advice
If symptomatic - aspiration
–> Needle in 2nd intercostal sp
If >2cm or symptomatic (SOB) - chest drain
–> 5th intercostal space mid axillary line
What is the most common pathogen for leg cellulitis?
Is it the same for diabetic patients?
Streptococcus pyogenes
or Staphylococcus Aureus
Yes its the same
What is the first line treatment for superficial thrombophlebitis?
And if there is a clot…
NSAIDs
Rivoraxaban
What diabetic drugs do you omit in diabetic patients going for surgery?
Omit SU (gliclazide and short acting Insulin and continue everything else
When do you stop Clopidogrel before surgery?
7
When do you stop Warfarin before surgery?
5
Remember to cover with low molecular weight heparin until night before surgery
When do you stop COCP before surgery?
4-6 weeks
Young women who experiences cyclical pain in both breasts. Drained and brown fluid is removed. No malignant cells found…diagnosis?
Fibrocystic disease
What’s is a partial seizure?
A focal seizure
Can be simple or complex
Management of partial seizures?
1st line - Carbmazepine or Lamotrigine
Sudden, red, painful eye…
What other symptoms for this condition?
Acute angle glaucoma (closed)
It is a medical emergency
It’s acute because drainage of aqueous humour is suddenly blocked
Photophobia and halos around lights
What vision do you lose in glaucoma: peripheral or central?
Peripheral vision