Flashcards in Antibiotics / Microman (2018) / Microbiology Summary Deck (111)
If you're looking for specific antibiotic treatments then go onto 'The Holy Grail (Treatments)' Brainscape subject, and see the deck 'Infections'. This specific deck will be for general microbiological facts you need to know to understand Antibiotics. It will also cover themes of Tayside Microman 2018.
Side effects of Gentamycin?
- Renal damage
- Damage to CN VIII (deafness and dizziness)
What family of antibiotics are best known to cause erythema (redness)
Stains well due to thick peptidoglycan wall
Has a thin peptidoglycan wall
Exotoxin exported from the cell wall
Endotoxin is part of the cell wall
Gram positive chain
Test for Streptococci?
Alpha haemolysis colour
Partial haemolysis: Green
Beta haemolysis colour
Complete haemolysis: Yellow/ translucent
Gamma haemolysis colour
No haemolysis: Red
Alpha haemolysis organisms
Beta haemolysis organisms
Strep (A) pyogenes
Gamma haemolysis organisms
Enterococcus faecalis (Strep D)
What diseases does Strep pyogenes most commonly cause?
Acute glomerular nephritis
What diseases does Strep viridans most commonly cause?
Endocarditis- post dental treatment
What diseases does Enterococcus faecalis most commonly cause?
It's a harmless commensal- but can cause intra-abdominal infections if it gets into the peritoneum.
What organisms usually cause bacterial meningitis in newborns
What are the two most common organisms that cause bacterial meningitis is adults and children?
Gram positive clusters
Test for Staphlococci?
Positive coagulase Staph
Negative coagulase Staph
What does Methicillin-resistant Staph Aureus (MRSA) produce?
Panton valentine leucocidin
This causes necrolytic skin infections
Gram positive bacilli (rods) organisms?
What toxins does C. difficile release?
When stressed- spores that can withstand extreme conditions
How are the investigations for C. difficile?
Bacterial DNA/ toxin
What are the four antibiotics that lead to C. difficile