Reading...
Play button
Play button
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;
26 Cards in this Set
- Front
- Back
|
what class are the pseudomonas
|
gram neg rods
obligate aerobes motile with flagella |
|
|
what is the population that is targeted by the pseudomonas and legonella
|
immunocomprimised
|
|
|
wounds contaminated by fresh water often get infected by this
|
aeromonas hydrophila that can spread systemically
|
|
|
what wound infection produces purple colonies when cultured
|
chromobacterium violaceum
|
|
|
what wound pathogen has emerged recently in combatant from Iraq and is now found in hospital water supply causes pneumonia
|
acinetobacter baumannii
|
|
|
how do u treat acinetobacter baumannii
|
carbapenems
|
|
|
what are the environmental pathogens
|
pseudomonas aeruginosa
bukholderia cepacia stenotrophomonas multophilia acinetobacter baumannii aeromonas hydrophila chromobacterium violacceum chrysabacterium meningosepticum |
|
|
what are characteristics of the environmental pathogens
|
gram neg
found only in immunocomprimised source is usually water or dirt often antibiotic resistant |
|
|
what is the virulence factors for p. aeruginosa
|
flagella
CAPSULE-antiphagocytic -slime layer -mucoid capsule secretes alot of toxins -several antiphagocytic toxins -some kill RBCs as well elastase - degrades host antiproteases which leads to lung damage |
|
|
what is diagnostic of p. aeruginosa
|
changes the color of the agar to blue or green
|
|
|
what does p. aeruginosa cause
|
pneumonia
wound infection uti dermatitis corneal infection endocarditis only happens in immunocomprimised |
|
|
what are the two types of pneumonia that are caused by p. aeruginosa
|
nosocomial pneumonia
cyctic fibrosis pneumonia |
|
|
what is the characteristics of p. aeruginosa nosocomial pneumonia
|
immunocomprimised
acute pneumonia bloodstream invasino high mortaltiy slime capsule usually caused by aspiration |
|
|
what are the characteristics of p. aeruginosa cystic fibrosis pneumonia
|
defective mucocilliary clearence
chronic progressive lung destruction no blood stream invasion bc stops toxins production and makes lots of mucus often the cause of death in CF |
|
|
what is the course for for burn wound infection with p. aeruginosa
|
large area burns
spreads to blood stream causes septicemia GREEN PUSS DIAGNOSTIC |
|
|
what are the characteristics of UTI psudomonas
|
only found in cathaters
|
|
|
where do u get aeruginosa dermatitis from
|
hot tubes
often diabetes |
|
|
who gets psudomona endocarditis
|
iv drug use
|
|
|
how is psudomonas diagnosed
|
gram stain, and culture are both good
need antibiotic sensitivity testing |
|
|
what is the treatment against psuedomonas
|
anti pseudomonas antibiotics
monotherapy unless really serious infection |
|
|
how is legionalla transmited
|
arersol found in most fresh water
drinking and then aspriating no person to person |
|
|
wat class is leginella
|
gram neg rods
|
|
|
why is leginalla hard to diagnose
|
hard to culture need charcole
|
|
|
what does legonella cause
|
legionnaires disease-acute pneumonia
2-10 day incubation, fever heachache chlls cough eventually respiratory failure pontiac fever- mild respiratory disease. |
|
|
how is legonella diagnosed
|
urine antigen test
|
|
|
how is legonella treated
|
erythromycin, azithromycin, clarithroycin(macrolides)
best is fluroquinolones in severe cases use both |
