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;
11 Cards in this Set
- Front
- Back
|
How do you differentiate between Staphylococcus and Streptococcus?
|
Staphylococcus are in grape like clusters
Streptococcus are in pairs or chains |
|
|
Characteristic features of Staphylococcus Aureus
|
Coagulase POSITIVE
Catalase POSITIVE Facultative Anaerobes Carotenoid Hemolysis |
|
|
Protective mechanisms of Staphylococcus Aureus
|
Protein A binds Fc portion of IgG, preventing opsonisation
Clumping factor Coagulase Toxins Septicaemia Blood stream Endocarditis |
|
|
Toxins of Staphylococcus Aureus
|
Hemolysins - RBC lysis
PV leucocidin - Cause pores, pneumonia Enterotoxin - Staphylococcal food poisoning Epidermolytic toxin - Staphylococcal Scalded Skin Syndrome Toxic Shock Syndrome Toxin 1 |
|
|
Characteristic features of Staphylococcus Epidermidis
|
Coagulase NEGATIVE
Catalase POSITIVE No hemolysis Nosocomial / Immunocompromised patients Adhere to materials Biofilm Septicaemia Peritonitis Ventriculitis Endocarditis Long latent period Indwelling foreign devices |
|
|
Staphylococcus Saprophyticus
|
2nd most common cause of UTI in women
|
|
|
Characteristic features of Streptococcus Pyogenes
|
M protein
Streptolysin O Streptolysin S Streptococcal pyrogenic exotoxin Spreading factors Pharyngitis Scarlet Fever Impetigo / Necrotising Toxic Shock Syndrome Endocarditis - Pneumonia Non Suppurative Rheumatic Fever / Glomerulonephritis |
|
|
Characteristic features of Streptococcus Viridans
|
S Sanguis, Milleri, Mutans, Mitis
Oral cavity, Upper Respiratory tract Dental caries Infective endocarditis Septicaemia Deep seated abscess |
|
|
Characteristic features of Streptococcus Pneumoniae
|
Capsule
Lobar Pneumonia COPD Acute Otitis Media Sinusitis Meningitis Septicaemia |
|
|
Characteristic features of Streptococcus Agalactiae
|
Vagina / Upper respiratory tract
Neonatal septicaemia / meningitis Puerpural sepsis Pneumonia Septic Arthritis, Osteomyelitis Cellulitis, Foot ulcers, Decubitus Ulcers |
|
|
Characteristic features of Enterococci
|
Enterococcus Faecalis / Faecium
GIT of man Nosocomial UTI Septicaemia Infective endocarditis Wound infections Intra abdominal Pelvic |
