General Questions Flashcards
HLA-A3
Haemochromatosis
HLA-B5
Behcet’s Syndrome
HLA-B27
Ankylosing Spondylitis,
Reiter’s syndrome,
acute anterior uveitis
HLA-DQ2/DQ8
Coeliac disease
HLA-DR2
Narcolepsy,
Goodpasture Syndrome
HLA-DR3
Dermatitis Herpetiformis
Sjogren’s syndrome
primary biliary cirrhosis
HLA-DR4
Rheumatoid Arthritis,
T1DM (this is also associated less strongly with HLA-DR3)
Cytotoxic MoA + main SFx: cyclophosphamide
MoA: Alkylating agent vs DNA crosslinks
SFx: haemorrhagic cystitis
Cytotoxic MoA + main SFx: Bleomycin
MoA: DNA degradation
SFx: lung fibrosis
Cytotoxic MoA + main SFx: Doxorubicin
MoA: inhibit DNA synthesis
SFx: cardiomyopathy
Cytotoxic MoA + main SFx: Methotrexate
MoA: DHR folate synthesis inhibitor
SFx: fibrosis (lung + liver); myelosuppression
Cytotoxic MoA + main SFx: 5-FU
MoA: thymidylate synthase inhibitor
SFx: dermatitis/mucositis
Cytotoxic MoA + main SFx: 6-mercaptopurine
MoA: Inhibits purine synthesis
SFx: myelosuppression
Cytotoxic MoA + main SFx: Cytarabine
MoA: inhibits DNA polymerase
SFx: myelosuppresion, ataxia
Cytotoxic MoA + main SFx: Vincristine
MoA: MT formation inhibitor
SFx: peripheral neuropathy
Cytotoxic MoA + main SFx: Docletaxel
MoA: inhibits MT depolymerisation
SFx: neutropenia
Cytotoxic MoA + main SFx: Cisplatin
MoA: DNA crosslinking
SFx: ototoxicity
Cytotoxic MoA + main SFx: Hydroxyurea
MoA: reduces DNA synthesis
SFx: myelosuppression
Normal anion gap
10-18 mmol/L
Raised anion gap causes:
Lactate: shock, hypoxia
Ketones: diabetic ketoacidosis, alcohol
Urate: renal failure
Acid poisoning: salicylates, methanol
First line treatment for ethylene glycol poisoning
Fomepizole = alcohol dehydrogenase inhibitor
Ethanol replaced
Haemodialysis for refractory cases
Which is associated with hypokalemia and hypertension: Bartter’s syndrome or Liddle syndrome?
Liddle syndrome
Bartter and Gitelman’s = hypokalemia without hypertension
Antibiotic vs animal bite
Coamoxiclav
Doxy + metro if pen allergic
Name the pathogen:
cutaneous Leishmaniasis -
mucocutaneous Leishmaniasis -
visceral Leishmaniasis -
Cutaneous = L tropica; L mexicana Mucocutaenous = L braziliensis Visceral = L donovani