different classes Flashcards
what gram is staphylococci
positive
main infections from staphylococcus aureus
impertigo, cellulitis, bone infections and food poisening
what shape is staphylococcus Aureus
cocci shape in clusters
what gram is Staphylococcus epidermidis
gram positive
what is the main infection of Staphylococcus epidermidis
infection of medical devices eg cannule change every 72 hrs
what shape and gram are Streptococci
Gram positive, cocci/spheres)
two main examples of streptococci
Streptococcus pneumoniae, Streptococcus pyogenes
how do Streptococcus pneumoniae look
(two cocci joined together, presence of a capsule around the bacterium.
how do Streptococcus pyogenes look
Chains of cocci.
infections from Streptococcus pneumoniae
Common cause of pneumonia, meningitis, septicaemia and ear infections
infections from Streptococcus pyogenes
May cause tonsillitis, skin and soft tissue infections (such as impetigo and cellulitis) and necrotising infections such as necrotising fasciitis (also referred to as
flesh eating disease)
what shape are Clostridium
Gram positive rods, Anaerobic (hates air) but a spore
producer
Infections: Causes “C. diff”
pseudomembranous colitis, from broad spectrum antibiotics use over long period, causing diahorrea
what shape and gram is clostridium difficile
: Gram positive rods
infections from Clostridium perfringens
gas gangrene