Sbl - Micro - Skin Infections

Front 1

Bioterrorism agent, spore-forming, aerobic G+ rods:

Fastidious G- rods, cat scratch disease:

Lyme disease:

Spore forming anaerobic G+ rods, gas gangrene:

Tetanus:

Back 1

B. anthracis

Bartonella henselae

B. burgdorferi

C. perfringens

C. tetanii

Front 2

C. diphtheriae:

GAS, S. pyogenes:

GBS, S. agalactiae:

Oxidase +, G- rods, zoonotic, cellulitis, bacteremia, osteomyelitis, meningitis, pneumonia:

Back 2

Aerobic G+ rods

G+, catalase- cocci, cellulitis, bacteremia, pharyngitis, scarlet fever, necrotizing fasciitis, ARF, AGN

cellulitis, sepsis, meningitis

P. multocida

Front 3

Oxidase +, G- diplococcus, STD:

Oxidase +, G- diplococcus, meningitis, bacteremia, pneumonia:

Oxidase +, Lactose non-fermenter, G-, skin infections in burns, pneumonia:

Catalase +, Coagulase +, G+ cocci, causes everything:

Back 3

N. gonorrhoeae

N. meningitidis

P. aeruginosa

S. aureus

Front 4

Syphilis:

30 y/o w dyspnea, cyanosis, hemoptysis, chest pain, sheep farmer, dark black skin lesions:

Pathogenesis?

Two types of infections in humans?

Tx?

Back 4

Treponema pallidum

B. anthracis

polyglutamic acid capsule, edema from adenylate cyclase

Cutaneous, Pulmonary

PCN, Cipro

Front 5

Spore-forming G+ rods, aerobic, food poisoning:

Neurotoxin in C. tetanii?

Exotoxin action in C. perfringens?

S. aureus exotoxin action?

ADP ribosyl transferase inactivates EF-2 in the liver, no protein synthesis:

Back 5

B. cereus

tetanospasmin - inhibits GABA release, convulsive contractions

alpha toxin (phospholipase C) breaks down cell membrane

pore formation, loss of K+, nutrients

Exotoxin A, P. aeruginosa

Front 6

Botulinum toxin inhibits release of what?

B. anthracis induces what 2nd messenger?

5 y/o boy, golden yellow crusted lesions around mouth and nose, fever, G+ cocci in chains, B-hemolysis:

Back 6

Acetylcholine

cAMP - adenylate cyclase

S. pyogenes - impetigo

Front 7

2 m/o girl, bullae with large areas of denuded skin, mom had Staph mastitis a week ago, easy dislodgement of epidermis under pressure:

10 y/o girl, dysphagia, bilat ear pain, fever x 1 wk, rash on neck, strawberry tongue, elevated ASO:

30 y/o woman, fever, N/V/D, skin rash, used vaginal sponge:

Back 7

S. aureus (scalded skin syndrome)

S. pyogenes - scarlet fever

Toxic Shock syndrome - S. aureus

Front 8

Causes of impetigo:

Chronic ulcers:

Fasciitis:

DIfferences between Staph and Strep?

B-hemolytic Staph:

Novobiacin resistant Staph:

Back 8

S. aureus, S. pyogenes

M. TB, ulcerans, leprae

C. perfringens, S. pyogenes

Staph - Catalase + (Strep - Catalase -)

S. aureus

S. saprophyticus

Front 9

Alpha-hemolytic Strep, Optochin sensitive:

Optochin resistant:

B-hemolysis, Bacitracin sensitive:

B-hemolysis, Bacitracin resistant:

Gamma hemolysis, no growth in NaCl:

Back 9

S. pneumo

S. viridans

S. pyogenes (GAS)

S. agalactiae (GBS)

S. bovis

Front 10

Major protein in necrotizing fasciitis?

Local infection of hair follicle:

single abscess in SQ tissue:

multiple, connected abscesses in SQ tissue:

Back 10

M protein, S. pyogenes

folliculitis

furuncle

carbuncle

Front 11

Toxin involved in Scalded Skin Syndrome:

Diffuse inflammation, spreading from dermis into SQ layers:

Rapidly progressing cellulitis, usually C. perfringens, S. pyogenes:

Gas gangrene, G+ bacilli, anaerobic, spore forming:

Back 11

exfoliatin

cellulitis (commonly S. aureus, S. pyogenes)

fasciitis

C. perfringens

Front 12

Swimming pool granuloma:

Leprosy:

Chronic ulcer, branching, beaded G+ bacilli:

Pleomorphic G+ bacilli, causes diphtheria:

Severe, polymicrobial infection in diabetes:

Back 12

M. marinum

M. leprae

Nocardia

Corynebacterium diphtheriae

Diabetic foot

Front 13

Major risk in burn victims:

color and odor in culture?

Causes pneumonia in which patients?

Back 13

P. aeruginosa

Green, fruity odor

CF