Microbiology Flashcards
Is staph aureus coagulative positive or negative
Coag positive
Where would staph epidermidis invade
artificial material, artifical joints, heart valves, IV catheters
Where is entercoccus
commensals in the bowel and cause of UTI
What infections can staph aureus cause
Cellulitis, infected eczema, impetigo, wound infection
What would stop pyogenes cause
infected eczema, impetigo, cellulitis, necrotising fasciitis
What is erysipelas
red swelling of the cheeks caused by a bacterial infection
What is necrotising fasciitis
rare infections involving the subcutaneous fat. Group A strep infections/ mixed anaerobes
What would you use swabs for
broken lesions, fro bacteriology
How do you treat staph aureus
Flucloxacillin
What would you use penicillin to treat
Strep pyogenes
True or false, you always take a swab of a leg ulcer
false, only when the ulcer looks infected or ceelultitis signs
What layer of skin does the fungus/ dermatophyte invade
keratinised tissu- skin, hair, nails
What organism causes ringworm
trichophyton rubrum
What would you use to diagnose ringworm
woods light, skin scrapings, nail clippings and hair
How would you treat dermatophyte
clotrimazole cream, scalp infections- terbinafine and itraconazole (oral)