Past Papers Micro Flashcards
most common cause of traveller’s diarrhoea
Escherichia Coli
foul-smelling diarrhoea and cramping pain 5 days after eating chicken at a barbecue
Campylobacter
+/- bloody diarrhoea
food poisoning 7 days post meal
giardiasis or amoebiasis
Food poisoning after Chinese/rice based dinner
Bacillus cereus
Had surgery + antibiotics
now profuse watery diarrhoea
C. difficile
Nurse gets diarrhoea, now others have it
Norovirus
Common amongst travellers
Watery stools
Abdominal cramps and nausea
E. coli
Prolonged, non-bloody diarrhoea
Giardiasis
Profuse, watery diarrhoea
Severe dehydration resulting in weight loss
Not common amongst travellers
Cholera
Bloody diarrhoea
Vomiting and abdominal pain
Shigella
Severe vomiting
Short incubation period
S. aureus
flu-like prodrome, usually followed by crampy abdominal pains,
fever and diarrhoea which may be bloody
Can be Guillain-Barre Sx
Campylobacter
Gradual onset bloody diarrhoea, abdominal pain and tenderness
which may last for several weeks
Amoebiasis
Tx for Listeria meningitis
Amoxicillin + Gentamycin
or
Ampicillin + Gentamycin
Tx for mild CAP caused by Hib
Amoxicillin
Young F
cystitis and fully sensitive E-Coli
Trimethoprim
cellulitis with MRSA Tx
IV Vancomycin
cellulitis with MSSA Tx
Flucloxacillin
<3m bacterial meningitis Tx
IV cefotaxime (for GBS + E.coli) plus amoxicillin or ampicillin (for Listeria)
> 3 months or older suspected meningitis
IV Ceftriaxone (without delay)
Tria = over 3 months
50/60 years bacterial meningitis Tx
IV cefotaxime plus amoxicillin or ampicillin
Meningococcal meningitis Tx
Intravenous benzylpenicillin
or if in hospital cefTRIaxone
N. meningitidis commonest meningitis cause in >3m - 60 y/o
Pneumococcal meningitis Tx
IV cefTRIaxone
Strep. pneumoniae 2nd commonest meningitis cause in >3m - 60 y/o
Meningitis caused by Haemophilus influenzae
IV cefTRIaxone
woman who is infected with herpes simplex/ HSV1 encephalitis
Aciclovir
herpes zoster in pregnancy
Aciclovir
Neonate with Cytomegalovirus Retinitis
(IV) Ganciclovir
Tx viral syncytial virus (bronchiolitis) in a child
Ribavirin
19 year old asthmatic, treat influenza A
Oseltamivir (aka Tamiflu)
Peramivir
student acting strange lately
LP - high lymphocytes,raised protein, normal glucose
cause?
herpes
18 year old student
Gram Negative diplococci
meningitis
Neisseria meningitidis
smoker
Gram Positive diplococci
meningitis
Strep Pneumonia
Gram negative rod causing sepsis in a neonate
E. Coli
Gram positive rod
meningitis in a 72 year old
Listeria monocytogenes
Gram positive rod
sepsis
baby <3m
Listeria Monocytogenes
Gram negative rod causing sepsis
>3m
Haemophilus influenza (Hib)
Gram positive cocci
staphylococci + streptococci
Gram negative cocci
Start with N
Neisseria meningitidis
Neisseria gonorrhoeae
Moraxella
Meningitis causes
0 - 3 months
Group B Streptococcus (most common cause in neonates) (Round or Coccus)
E. coli (Rod or Bacillus)
Listeria monocytogenes (Rod or Bacillus
Meningitis causes
3m- 60yr
Neisseria meningitidis Streptococcus pneumoniae (Round or Coccus) Haemophilus influenza (Coccobacillus)
Meningitis causes
6 years - 60 years
Neisseria meningitidis Streptococcus pneumoniae (Round or Coccus)
Meningitis causes
> 60 years
Streptococcus pneumoniae
Neisseria meningitidis
Listeria monocytogenes
Meningitis causes
Immunosuppressed
Listeria monocytogenes (Rod or Bacillus)
two main types of Staphylococci
Staphylococcus aureus - Coagulase-positive, skin infections
Staphylococcus epidermidis - Coagulase-negative, central line infections and infective endocarditis
commonest cause jaundice/fever in returning traveller
malaria
Middle aged lady. Liver biopsy, loss of bile ducts and granulomas present
PBC
Jaundice + Ulcerative colitis
PSC suspicion, S in PSC for Suspicious Ulcerative colitis
