Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
16 Cards in this Set
- Front
- Back
Diseases caused by S. aureus
|
~Nosocomial infections are a problem!
~Folliculitis-infection of hair follicle ~Sty-infected follicle of an eyelash ~Furuncle-boil (abscess) ~Carbuncle-many furuncles ~Impetigo of the newborn-thin walled vesicles that crust over |
|
Sepsis caused by S. aureus
|
~Scalded skin syndrome-caused by exfoliative toxin, skin will peel in 48 hours (Like a bad sunburn) VERY SERIOUS
~Toxic shock syndrome-TSS-life threatening, fever, vomiting, sunburn like rash, SHOCK, kidney failure, death, severe abdominal pain! |
|
Skin diseases caused by S. pyogenes
|
~Erysipelas-reddish patches with raised margins Can destroy locally and enter blood stream
Often starts on face High fever common So far regular antibiotics work ~Impetigo-common in young children Often caused by scratching a bite with dirty nails |
|
Beta-hmolytic Group A strep (flesh eating)
|
~Mortality is over 30-80%
~Attach solid tissue (cellulitis), muscle (myositis), or the muscle covering (necrotizing fasciitis) ~Produces exotoxin A which is a super antigen and causes a powerful immune reaction ~Unfortunately the reaction is part of the problem |
|
Bacteriodes fragilis (BF)
|
BF produces an potent enterotoxin (ETBF) and has been isolated in inflammatory disease (IBD) patients
|
|
Mycobacterium avium paratuberculosis (MAP)
|
~MAP is an invasive intestinal germ
~MAP causes Johne’s disease in cattle; survives in milk from infected cows after pasteurization ~MAP has been identified in breast milk of women with Crohn’s disease |
|
Borrelia burgdorferi
|
Causative agent of Lyme disease
~Increased incidence with burgeoning white-footed mouse and deer populations because of transmission via Ixodes ticks. ~60-80% of infected people have a bull’s eye target rash ~Treated with antibiotics ~Can cause chronic arthritis, CNS disorders, and cardiac problems. |
|
Salmonellosis (Gastroenteritis)
|
Mortality (<1%) due to septic shock caused by endotoxin can occur in infants and elderly.
|
|
E. Coli |
produce Shigella toxin (cause self-limited diarrhea; can damage blood vessels)
|
|
Listeria monocytogenes
|
~Causative agent of listeriosis food poisoning. Early stages resembles the flu.
~Miscarriages occur due to bacteriemia. In older people Listeria causes meningitis & brain abcesses. ~Food in fridge longer than 10 days can have high counts of Listeria. |
|
Clostridium sp.
|
difficle- antbiotic-resistant; forms toxin that results in diarrhea.
|
|
Clostridium sp.
|
perfingens- spores can cause gas gangrene in an ulcerated wound.
|
|
Corynebacterium diphtheriae
|
Toxin-producing strains cause diphtheria which can lead to a fatal throat infection
|
|
Helicobacter pylori
(ulcer disease)
|
~Bacteria produce ammonia which neutralizes gastric acid.
~Treated with antibiotics ~H. pylori causes stomach cancer ~30-50% of developed world population will become infected |
|
Legionella pneumonophilia
|
Causative agent of Legionnaires’ disease which results in a lung infection.
|
|
Klebsiella pneumoniae
|
Normal microbiota of intestinesCausative agent of pneumonia
|