112190
Description
Mind Map by Caroline Oxford, updated more than 1 year ago
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Created by Caroline Oxford
over 12 years ago
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Staph and Strep
- Staphylococci
- Gram +ive
- anaerobic
- Grape like clusters
- Normal flora of skin/nose
- Catalase +ive
- Catalase +ive
- Normal flora of skin/nose
- Grape like clusters
- anaerobic
- Straphylococcus Aureus
- Pneumonia,endocarditis, skin infections, Toxic shock syndrome
- Produces Enterotoxins
- Causes food poisoning from infected food
- Inhibits Phagacytosis
- Binds protein A to antigen, stops acctivation of phagocyte
- Binds protein A to antigen, stops acctivation of phagocyte
- Inhibits Phagacytosis
- Causes food poisoning from infected food
- Antibiotic resistant (MRSA)
- Pneumonia,endocarditis, skin infections, Toxic shock syndrome
- Straphylococcus Epidermidis
- Normal skin flora
- Opportunist infections
- shunts/catherters/heart valves
- shunts/catherters/heart valves
- Opportunist infections
- Normal skin flora
- Straphylococcus saprophyticus
- Urinary tract infections
- Urinary tract infections
- Gram +ive
- Streptococci
- Gram +ive
- Chains or pairs
- Catalase -ive
- One or more species per group
- Surface antigens
- Lancefield (1930) classified beta strep according to carbohydrate on antigen
- Lancefield groups A,B,C,F and G
- Lancefield groups A,B,C,F and G
- Lancefield (1930) classified beta strep according to carbohydrate on antigen
- Surface antigens
- One or more species per group
- Catalase -ive
- Chains or pairs
- Alpha
- Blood agar; (Haemolysis) Erythrocytes partially lysed, leaves a green ring
- Non Lancfield Groupable
- Streptococci pneumoniae
- Most comman cause of pneumonia. Can cause Meningitis in elderly and middle ear infections
- Most comman cause of pneumonia. Can cause Meningitis in elderly and middle ear infections
- Viridans
- S. mutans
- Produce acid, causes dental caries
- Produce acid, causes dental caries
- S. mutans
- Streptococci pneumoniae
- Blood agar; (Haemolysis) Erythrocytes partially lysed, leaves a green ring
- Beta
- Fully Haemolytic (haemolysis) Leaves clear ring
- Group A
- upper respitory tract, Pharyngitis
- Surface M protein inhibits phagacytosis
- Exotoxins break down fibrin and Hyaluronic acid
- Means that it spreads through skin and connective tissue, causes, Cellulitis/necrotising
- Means that it spreads through skin and connective tissue, causes, Cellulitis/necrotising
- Exotoxins break down fibrin and Hyaluronic acid
- Lancfield groups
- upper respitory tract, Pharyngitis
- Group B
- Neonates; Septicaemia, Meningitis
- Adults; septaecemia and endocarditis
- Adults; septaecemia and endocarditis
- Neonates; Septicaemia, Meningitis
- Group C
- Pharyngitis (similar to group A)
- Pharyngitis (similar to group A)
- Group G
- Cellulitis and other skin infections
- Cellulitis and other skin infections
- Fully Haemolytic (haemolysis) Leaves clear ring
- Non Haemolytic
- Leaves no change in algar
- Most often belong to Lancfield group D
- Enterococci
- E. (S) faecalis
- Causes gastric problems and abcesses
- Causes gastric problems and abcesses
- some resistance to PenV
- E. (S) faecalis
- Enterococci
- Leaves no change in algar
- Gram +ive
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