Infectious Disease of the Skin, Ears, and Eyes Flashcards
(40 cards)
Cellulitis
Staphylococcus aureus & Streptococci
Entry thru laceratoins or surgical wounds. Red, swollen, tender area of the skin. May develop pus
Ceullulitis
Folliculitis
Staphylococcus aureus
Entry thru hair follicle. Clusters of small bumps or pimples around hair follicles. Pus-filled blisters
Folliculitis
Impetigo
S. aureus & Streptococcus pyogenes
Transmitted thru direct contact with drainage from lesions. red, itchy sores that break open and leak a clear fluid or pus for a few days.
Impetigo
S. aureus & Streptococcus pyogenes
Impetigo
Erysipelas
S. pyogenes
Entry thru skin & mucous membrane. an area of skin erythema that is sharply demarcated with raised edges
Erysipelas
Necrotizing fasciitis
S. pyogenes / Flesh-eating bacteria
Entry thru skin abrasions. A very painful bruise-like area then develops and grows rapidly. Treated with surgical tissue removal, broad spectrum antibiotics
Necrotizing fasciitis
Gas gangrene
Clostridium perfringens
Clostridium perfringens
Gas gangrene
Air under the skin. Blisters filled with brown-red fluid. Organism and its spores gained access to traumatized tissue
Gas gangrene
Redness of the skin.
Fluid-filled blisters that break easily and leave an area of moist skin that soon becomes tender and painful.
Large sheets of the top layer of skin that peel away.
Staphylococcal scalded skin syndrome
Boils & Carbuncles
S. aureus
Start as reddish or purplish, tender bumps. The bumps quickly fill with pus, growing larger and more painful until they rupture and drain.
Boils
Cluster of boils
Carbuncles
Leprosy
Mycobacterium leprae
Mycobacterium leprae. Hansen’s Disease
Leprosy
Transmitted trhu direct contact, poor hygiene, aerosol inhalation, arthropod vector. Treated with combination of antibiotics
Leprosy
Fungi that require keratin for growth
Dermatophytes
fungal infection of the outer surface of hair shafts, and the outermost , nonliving layer of the skin
Superficial mycoses
fungal infections of the living layers (the dermis), hair shafts and nails. Caused by molds referred to as dermatophytes
Cutaneous, Hair, Nail mycoses