Organisms Flashcards
Strep. Pneumoniae
Positive diplococci
Haemophilus influenza
Negative cocco-bacilli
Moraxella catarrhalis
Negative coccus
Associated with smoking
Staph aureus
Positive cocci - grape bunch clusters
Name 4 atypical pnumonias
Legionella - hepatitis and low na
Mycoplasma - joint pain, EM - Rx of sjs and AIHA.
Chlamydia pneumonia
Chlamydia psittaci
Have no cell wall so do not respond to penicillins. Require macrolides and tetracyclines
Name 3 slow growing mycobacterium
M. Marinarum
M. Avium
M. Ulcerans
Name 3 fast growing mycobacterium
M. Abcessus
M. Chelonae
M. Fotuitum
Name 3 flaviviruses
HCV
yellow fever
Dengue
Infection associated with canned foods and honey
Chlostridium botulinum
Super antigen mediated diarrhoea x3
Clostridium perfringens
Staph. Aureus
Bacillus cereus
Both non bloody
Perfringens classically from reheated meats and is found in colon flora but not in small bowel.
Staph aureus appears in clusters on gram stain, is beta haemolytic on blood agar
Comma shaped, or s shaped
(Also vibriosis - cholera, parahaemolyticus, vulnificus)
Campylobacter jejuni
V motile
Can cause guillain barre
Treat with erythromycin or cipro if early on.
BLOODY fouls smelling
Infective Causes of bloody stool x4
SEEC
Shigella
Enterobacteriacae E. coli
Entamoeba histolytica
Campylobacter
Pear shaped trophozoite
Giardia lamblia
Oocysts seen in stool by modified kinyoun acid fast stain
Cryptosporidium
Campylobacter jejuni
Gramm -ve curved rod
Same as vibrio
Multiplies in peyers patches, and can cause messenteric adenitis and necrotising granulomas
Yersinia enterocolitis
Flask shaped ulcer
Entamoeba histolytica
Reheated or dodgy meat
Clostridium perfringens
Salmonella enteritides
RSV prophylaxis and treatment in kids with heart or lung disease
Palivizumab
Ribavirin (guanosine analogue)
First line treatment in BK virus treatment
Cidofovir IV
HBV treatment
PegINF alpha 2a
Entecavir
Tenofovir
Prevent cirrhosis and HCC
treponema pallidum
gram negative spirochete - visualised on dark ground microspcopy in primary lesions or PCR.
brucella
gram negative cocco bacillus
helicobacter pylori
spiral flagellated Gram negative
group b strep
beta haemolytic gramm positive coccus
neisseria gonorrhoea
obligate intracellular gram negative diploccoccus
Listeria monocytogenes
gramm postive flagellated rod
Legionella pneumophilia
gram negative flagellated
e.coli
gram negative rod, facultative anaerobe
shiga like verotoxin
EHEC
things that multply in peyers patches?
yersinia and typhoid?
leptospirosis
contact with animals - thin aerobic spirochetes
non specific symptoms and photophobia.
gold standard diagnosis is microspcopic agglutination test
neisseria meningitidis
gram neg diplococcus
chocolate agar
haemophilus
cahncroid
caused by haemophilus ducreyi causes a painful genital ulcer that leads to infected painful inguinal lymph nodes on one side. unilateral.
What is the normal pH of the vagina
3.8-4.2
how do you differentiate staph and strep
catalse
staph is catalase positive
strep is catalse neg
treatment of neisseria meningitidis meningitis
cefotaxime
how does hepatitis b present?
fever, vomiting, loss of appetite jaundice
2-3 months after the infection incubation period
What happens to lympocytes in mono?
they look atypical
oral nystatin wash
candida albicans - test by doing beta d glucan
How does asperigillus present in immunocompromised?
sperical opacity in lung fields
how do you treat sporotricosis?
itra/fluconazole
presents iwth spots, small an painless on the pricked arm from a rose.
they may ulcerate
castaneda medium
brucellosis
what heart problem does rubella syndrome casue
PDA
