Specimen Processing Flashcards
Media for Throat and Nasopharyngeal (6 and under)
BAP, 35 C aerobic
CHOC, 35 C in CO2
Normal Flora for throat and nasopharyngeal (6 and under)
- alpha and gamma strep
- Commensalism Neisseria
- S. Epidermiditis diptheroids
- S. Pneumoniae Anaerobes
- N Meningitidis
Common pathogens in throat
- Group A- beta hemolytic strep
- H. Influenza
- C. Diphtheria
- B. Pertussis
Common pathogens in nasopharyngeal (6 and under)
Group A-beta hemolytic strep
N. Meningitides
S. Pneumoniae
H. Influenza
What do all negative strep screens need?
Throat culture
Media for Respiratory
- CHOC, 35C n CO2
- MacConkey, aerobic
- Anaerobic media
Normal Flora for Respiratory
- Alpha and gamma strep
- commensal Neisseria
- S. Epidermidis diptheroids
- Haemophilus
Common pathogens of respiratory
- Group A - beta hemolytic strep
- H. Influenza
- S. Aureus
- Pseudomonas species
- S. Pneumoniae
- Enterobacteriaceae
Describe the loop used for urine cultures
Platinum loop: 0.001 or 0.01
Media for Urine (clean catch)
MacConkeys, 35C aerobic
Normal flora for urine
None
Common pathogens of urine
- E. Coli and other enterics
- Enterococci
- Pseudomonas Species
- Staphylococci aureus
Media for stool
- BAP
- MacConkeys
- EMB
- XLD
- HE
- SS
- Selenite F, 35 C aerobic
- Campylobacter plate or Skirrows in 45C, 5% in O2
Media for bloody stool
Mac with sorbitol
Normal flora for stool
- Anaerobes
- enterobacteriaceae
- Enterococci
Common pathogens in stool
- Salmonella species
- Shigella species
- E. Coli
- Clostridium difficile ( if bloody and patient on antibiotics)
What should be commented on in stool culture?
Staph or yeast
Media for genital
Modified Thayer-Martin, 35C in CO2