Microbiology - bugs Flashcards
Give the investigations for staphylococcus aureus (3)
- ) Gram +ve cocci
- ) Catalase +ve
- ) Coagulase +ve
What does staphylococcus aureus cause?
- ) Skin infections (impetigo/cellulitis)
- ) Osteomyelitis/septic arthritis
- ) Pneumonia
- ) Endocarditis
What do we give to treat staphylococcus aureus?
Flucloxacillin (vancomycin if MRSA)
Give the investigations for staphylococcus epidermis (3)
- ) Gram +ve cocci
- ) Catalase +ve
- ) Coagulase -ve
What does staphylococcus epidermidis cause?
Endocarditis (prosthetic valves)
What do we give to treat staphylococcus epidermis?
Flucloxacillin
Give the investigations for staphylococcus saphrophyticus (3)
- ) Gram +ve cocci
- ) Catalase +ve
- ) Coagulase -ve
What does staphylococcus saphrophyticus cause?
Honeymoon cystitis (UTI)
What do we give to treat staphylococcus saphrophyticus?
Trimethoprim
Give the investigations for streptococcus pneumoniae (4)
- ) Gram +ve cocci
- ) Catalase -ve
- ) Green BA (ALPHA)
- ) Optochin sensitive
What does streptococcus pneumoniae cause?
- ) Pneumonia (community)
- ) Meningitis
What do we give to treat streptococcus pneumoniae? (2)
Amoxicillin, cephotaxime
Give the investigations for streptococcus viridans (4)
- ) Gram +ve cocci
- ) Catalase -ve
- ) Green BA (ALPHA)
- ) Optochin resistant
What does streptococcus viridans cause?
Endocarditis (rheumatic patients in dental)
What do we give to treat streptococcus viridans? (2)
Benzylpenicillin and gentamycin
Give the investigations for streptococcus pyogenes (4)
- ) Gram +ve cocci
- ) Catalase -ve
- ) Clear BA (BETA)
- ) Lancefield type A
What does streptococcus pyogenes cause?
- ) Cellulitis, nec fac, impetigo, scarlet fever
- ) Strep throat
- ) Rheumatic fever, glomerulonephritis
What do we give to treat streptococcus pyogenes?
Amoxicillin
Give the investigations for listeria monocytogenes (2)
- ) Gram +ve bacilli
- ) Aerobic
What does listeria monocytogenes cause?
- ) Meningitis (immunocompromised)
- ) Sepsis (neonates)
- ) Abortion (pregnancy)
What do we give to treat listeria monocytogenes? (2)
Amoxicillin and gentamycin
Give the investigations for clostridium (2)
- ) Gram +ve bacilli
- ) Anaerobic
What does clostridium cause?
- ) Perfringes - gas gangrene
- ) Tetani - tetanus
- ) Difficile - pseudomem colitis
- ) Botulinum - botulism
Give the investigations for bacillus (2)
- ) Gram +ve bacilli
- ) Anaerobic