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;
8 Cards in this Set
- Front
- Back
|
General characters of pseudomonas |
Non fementative, motile, gram negative Aerobic Oxidase positive |
|
|
Why non fementitive |
Bec it's areobic |
|
|
Cluture of pseudomonas aeruginosa |
Nutrient agar: (diffusable exopigemnts) yellow pyoverdin+blue pyocyanin》bright green colour characteristic of p. Blood agar: comolete hemolysis MacConkey's: pale lactose none fermenting colonies TSI: red butt and red slant Grape like(fruity) odour |
|
|
Buochemical activities of p.aeruginosa |
Oxidase positive Carbohydrate non fermenter |
|
|
P.aeruginosa is tha major cause of.....infection |
Hospital acquired (nosocomial) |
|
|
Virulence factors of p.Aeruginosa |
Pilli Exotoxin A: tissue necrosis by same mech. as diphtheria toxin Endotoxin: related to negative bacilli Enz.: proteases and elatases Capsule: polysaccharide material allow the org to live in biofilm away from Ab and phagocytes |
|
|
Treatment |
Combimed antibiotic treatment in serous infections (anti pseudomonal beta lactam eg piperacillin+ aminoglycosides e.g gentamyocin |
|
|
Diseases |
Eye infection usually associated with lens Wound infection esp burns Follculitis External ear infection in swimmers , diabetics and elderly |
