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29 Cards in this Set

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Staphylococcus aureus
Streptococcus
Propionibacterium
What are the genus names or organisms that cause bacterial diseases of the skin?
Toxic shock syndrome (TSS)
Impetigo
What are the bacterial diseases of the skin caused by staph called?
Impetigo
Erysipelas
Scarlet Fever
Necrotizing Fasciitis
Inflammatory acne
What are the bacterial diseases of the skin caused by strep. called?
Erysipelas
What is also known as Saint anthony's fire?
Erysipelas
Affects both the epidermis and underlying dermis.

Spreads quickly as bac. travel through lymphatic vessels.

It is in the macule form.

Painful reddish, swelling patches.

May cause fatal septicemia.
Toxic shock syndrome (TSS)
TSS toxin is caused by what disease?
Staph
Pyogenic (pus producing)
Cutaneous lesions
Scalded Skin Syndrome
Impetigo - in newborns and adults
Systemic diseases - osteomyelitis, endocarditis, pneumonia, meningitis.
Cutaneous lesions caused by staph.
Cellulitis
Abscess
Folliculitis
Furuncles
Carbuncles
Folliculitis
inflammation of hair follicles
Furuncles
extensive inflammation of 1 hair follicule
Carbuncles
extensive inflammation of more than 1 one hair follicule.
Scalded skin syndrome
Epidermis becomes necrotic and peels off (desquamation)
Impetigo
Highly contagious skin infection Superficial pustules -> crusted -> rupture -> infects adjacent areas, spreading (possible entry into bloodstream)
Impetigo of the Newborn
Pemphigus neonatorum
osteomyelitis
endocarditis
pneumonia
meningitis
What are the systemic diseases caused by staphylococcus?
Streptococcus
M protein (rheumatic fever Ag) Inhibits phagocytosis

Protein G (Binds Fc portion of Ab, becomes coated with "self")

Proteases
Impetigo
Erysipelas
Scarlet fever
Necrotizing fascitis
M protein
(rheumatic fever Ag)

Inhibits phagocytosis
Protein G
(Binds Fc portion of Ab, becomes coated with "self")
Proteases
Cleave antibodies protecting mucous membranes)
Impetigo
Not life threatening, but can lead to poststreptococcal glomerulonephritis.

What bacterial disease is this?
Scarlet fever
Sore throat
Fever
nausea
vomiting
"Strawberry tongue"
bright red rash can cover much of the body
Caused by erythrogenic toxin.


What bacterial disease is this?
Necrotizing fascitis
Mimics gas gangrene

Destroys sheath covering skeletal muscles, the muscles themselves as well as fat tissue.

What bacterial disease is this?
Inflammatory acne
What does Propionibacterium cause?
Propionibacterium
Name genus

Acne lesions

An inflammatory disorder

Lesions develop when sebum becomes trapped in pores.

Bacteria break down sebum producing fatty acids that initiate an inflammatory response.
Propionibacterium
What genus causes inflammatory acne?
Pseudomonas
Found in soil, water, plants, and flowers

Minimal organic material required for growth.

Can use a wide variety of organic compounds: Can grow in : respiratory equipment, catheters, soaps, antiseptics and disinfectants solutions.

A major cause of nosocomial infections: Burn patients, immuno suppressive or antibiotic therapy.
Otitis Externa
AKA swimmers ear
Otitis Externa
infection of the ear external to the eardrum.
Pseudomonas
What genus causes swimmers ear?