Microbiology Flashcards
How to know it’s an aerobic infection?
Gas and bad odor
What makes an adequate sputum sample?
<10 epithelial cells and > 25 leukocytes per low power field
What bug causes Acute bacterial endocarditis?
Staphylococcus aureus (attacks healthy valves)
What bug cause subacute bacterial endocarditis ?
Strep Viridans (attacks previously damaged valves)
What is most common organism that damages valves?
Strep pyogenes (rheumatic fever)
How do you diagnose rheumatic fever?
Need at least 2 of the “specc”
S- subcutaneous nodules
P- polyarthritis
E- erythema marginatum
C- chorea (sydenham’s chorea)
C- Carditis (MS>AS>TS) “MAT”
What are the only gram negative diplococci?
Neisseria and Moraxella
What is only gram positive diplococci?
Streptococcus pneumonia
Five organisms that cause heart infections?
“Don’t TeLL Chaga”
D- Diphtheria
T- Typhoid Fever (salmonella typhi)
L- Legionella
L- Lyme disease
C- Chacha’s disease (whipple’s)
What are IgA protease organisms?
- Strep pneumonia
- H. Influenza
- N. Saprophyticus
- Moraxella Catarrhalis
what does IgA protease organism cause?
- Sinusitis
- Otitis Media
- Pneumonia/ Bronchitis
what is Simple Gram negative bacteria?
Is gram Negative that lacks LPS (Lipopolysaccharides) e.g H. Influenza
what are atypical (no cell wall) bacteria?
” CLUMsy “
C- Chlamydia
L- Legionella
U- Ureaplasma
M- Mycoplasma
what is only gram positive with endotoxin?
Listeria
what are gram negatives with exotoxins?
- H. Influenza
- Bordetella Pertussis
what are spore forming gram positive bacteria?
- Bacillus
- Clostridium
what organism causes atypical pneumonia?
- 0-2 months: Chlamydia Pneumophilia
- 10-30 yrs: Mycoplasma Pneumonia
- > 40 yrs: Legionella Pneumophilia
- AIDS & Immunocompromised patients: Pneumocystis Carinii
what causes cryoglobulinemia?
” I AM He “
I- Influenza Virus
A- Adenovirus
M- Mycoplasma
H- Hep B & C
what are silver stainers?
- H. Pylori
- Legionella
- Vibrio
- Campylobacter
- Bartonella
- Pneumocystis
what bacteria causes diarrhea <8hrs after introduction?
” CBS “
C- Clostridium
B- Bacillus Cereus
S- Staph Aureus
What are encapsulated gram negatives?
” Some Killers Have Pretty Nice Capsules “
S- Salmonella
K- Klebsiella
H- H. Influenza B
P- Pseudomonas
N- Neisseria
C- Citrobacter
What is encapsulated gram positive?
Strep. Pneumonia
(Has polysaccharide capsule)
What are Urease positive bugs?
” Urease Positive PUNCHS Back “
P- Proteus
P- Pseudomonas
U- Urea plasma
N- Nocardia
C- Cryptococcus
H- H. pylori
S- Staph Spp
B- Brucellosis
What bugs causes Monocytosis?
” STELS “
S- Syphilis
T- TB
E- EBV
L- Listeria
S- Salmonella