Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
69 Cards in this Set
- Front
- Back
|
Staphylococcus class/morph
|
G+ Aerobes in clusters
|
|
|
Streptococcus class/morph
|
G+ Aerobes in pairs or strands
|
|
|
Classifications of Staph
|
Coag+ and CNS
|
|
|
Coag+
|
Staphylococcus aureus
|
|
|
CNS
|
Staphylococcus sapropyticus and S. epidermidis
|
|
|
Infections from staph
|
skin/soft tissue; HAP, bacteremia, endocarditis
|
|
|
Classifications of Strep
|
Lancefield (letters) and Brown (hemolysis); and clinical (hybrid)
|
|
|
Alpha bugs
|
Strep with incomplete hemolysis: S viridans, S. mutans, and S. pneumoniae
|
|
|
Beta bugs
|
Strep with complete hemolysis: S. pyogenes (Group A); S. agalactiae (Group B); Group C; Enterococcus (formerly Group D)
|
|
|
Gamma bugs
|
Strep non-hemolytic; some group D strep
|
|
|
Infections from alpha strep
|
viridans: endocarditis; pneumniae: bacteremia, menigitis, CAP
|
|
|
Infection from beta strep
|
pyogenes: pharyngitis, impetigo, necrotizing fascitis; agalactiae: sepsis, meningitis
|
|
|
Enterococcus bugs
|
formerly Groud D strep; E. faecalis (85%) and E. faecium (~10%, mor resistant)
|
|
|
Infections from Enterococcus
|
UTI, bacteremia, endocarditis, wound infection
|
|
|
What are the G+ anaerobes
|
Cocci: pepto-, peptostrepto-coccus; Bacilli: Clostridial group
|
|
|
Clostridial group:
|
botulinum, difficile, perfringens, tetani
|
|
|
G- aerobes categories
|
Enteric Bacilli, Non-enteric bacilli, Cocci, and coccobacilli
|
|
|
G- aerobes eneteric bacilli (list)
|
Citrobacter, Enterobacter, Escherichia coli, Klebsiella, Proteus, Salmonella, Serratia marcescens, Shigella,
|
|
|
G- aerobes non-enteric bacilli (list)
|
Pseudomonas aeruginosa, Acinetobacter, Burkholderia cepacia, Helicobacter pylori, Stenotrophomona maltophilia
|
|
|
G- aerobes non-bacilli (list)
|
Cocci: Moraxella catarrhalis (AKA Branhamella) Neisseria gonorrhoeae & N. meningitidis; Coccobacillus: Bordetella persussis & Haemophilus influenza
|
|
|
Facultative anaerobe
|
Unique to E. coli, Can grow in the presence or absence of oxygen.
|
|
|
Burgess wants us to know these as "gut flora"
|
E coli, S. marcescens, Klebs, Enterobacter, Proteus
|
|
|
E coli
|
G- aerobe enteric bacilli. Part of intestinal flora, most common UTI, most common food poisoning, facultative anaerobe
|
|
|
Serratia/Klebsiella/Enterobacter
|
Opportunistic, K. pneumoniae is most common; K oxytoca is usu mor resistant; E aerogenes and E. cloacae are most common
|
|
|
S/K/E infections
|
pneumonia, bacteremia, intra-abd infection
|
|
|
Proteus
|
G-/Aer/Ent.bacilli; P vulgaris is indole+; P mirabilis is indole -; common UTI
|
|
|
Pseudomonas aeruginosa
|
Major nosocomial agent, assoc with extensive burns, cystic fibrosis, on cytotoxic drugs; green pigment; motile rods, mult in water - humidifiers/respirators
|
|
|
Acinetobacter
|
A baumannii well known but uncommon healthcare infections, resistance significant, infections: military from Iraq, bloodstream/pneumonia/wound infections
|
|
|
Moraxella catarrhalis infections
|
respiratory
|
|
|
G- anaerobes
|
Bacilli: Bacteroides (common in intestine) just know B fragilis and DOT: B. distasonis, B. ovatus, B. thetaiotaomicron
|
|
|
Bacteroides infections
|
intra-abdominal
|
|
|
Atypical bugs
|
Lack cell wll - no gramp stain. Mycoplasma pneumoniae; Chlamydia pneumoniae; Legionella pneumophilia
|
|
|
Normal flora - skin
|
Staph, Strep
|
|
|
Normal flora - oropharynx
|
Viridans streptococci; Peptostreptococcus
|
|
|
Normal flora - GI
|
Enterococcus; Bacteroides, Gram neg enteric bacilli
|
|
|
Microflora of GI - stomach
|
lactobacilli
|
|
|
Microflora of GI - duodenum, jejunum, ileum
|
Enterococci; Lactobacilli
|
|
|
microflora of GI - Colon
|
Enterobacteria; E. faecalis; Bacteroides, Bifidobacterium; Eubacterium; Peptococcus; Peptostreptococcus; Ruminococcus; Clostridia; Lactobacilli
|
|
|
Nosocomial Bloodstream Isolates
|
CNS 32%; S. aureus 16%; All gram neg 21%
|
|
|
Which infections are mostly Gram negative?
|
SSI switched to G(-) in 1991; Bloodstream infections
|
|
|
Which infections are mostly Gram positive?
|
Pneumonia, UTI
|
|
|
Staphylococcus
|
G+ Aerobes/Cocci
|
|
|
Streptococcus
|
G+ Aerobes/Cocci
|
|
|
Enterococcus
|
G+ Aerobes/Cocci
|
|
|
Peptococcus
|
G+ Anaerobes
|
|
|
Peptostreptococcus
|
G+ Anaerobes
|
|
|
Clostridial
|
G+ Anaerobes
|
|
|
Escherichia coli
|
G- Aerobe (Bacilli - Enteric)
|
|
|
Proteus species
|
G- Aerobe (Bacilli - Enteric)
|
|
|
Serratia
|
G- Aerobe (Bacilli - Enteric)
|
|
|
Klebsiella
|
G- Aerobe (Bacilli - Enteric)
|
|
|
Enterobacter
|
G- Aerobe (Bacilli - Enteric)
|
|
|
Salmonella
|
G- Aerobe (Bacilli - Enteric)
|
|
|
Shigella
|
G- Aerobe (Bacilli - Enteric)
|
|
|
Citrobacter
|
G- Aerobe (Bacilli - Enteric)
|
|
|
Pseudomonas
|
G- Aerobe (Bacilli - non-enteric)
|
|
|
Acinetobacter
|
G- Aerobe (Bacilli - non-enteric)
|
|
|
Helicobacter pylori
|
G- Aerobe (Bacilli - non-enteric)
|
|
|
Burkholderia cepacia
|
G- Aerobe (Bacilli - non-enteric)
|
|
|
Stenotrophomonas maltophilia
|
G- Aerobe (Bacilli - non-enteric)
|
|
|
Moraxella Catarrhalis
|
(AKA Branhamella) G- Aerobe (cocci)
|
|
|
Neisseria gonorrhoeae
|
G- Aerobe (Cocci)
|
|
|
Neisseria meningitidis
|
G- Aerobe (Cocci)
|
|
|
Bordatella pertussis
|
G- Aerobe (Coccobacillus)
|
|
|
Haemophilus influenza
|
G- Aerobe (Coccobacillus)
|
|
|
Bacteroides
|
G- Anaerobe
|
|
|
Mycoplasma pneumoniae
|
No gram stain
|
|
|
Chlamydia pneumoniae
|
No gram stain
|
|
|
Legionella pneumophilia
|
No gram stain
|
