Gram Negative Bacilli (rods)

GNR that smells like grapes or tortillas

Pseudomonas Aeruginosa

key ID info: curved GNR, oxidase positive, yellow on TCBS, ‘rice water stools’, can cause severe dehydration

Vibrio cholerae

Key ID info: curved GNR, oxidase positive, green on TCBS, halophilic (salt loving); seafood/saltwater

Vibrio parahaemolyticus or Vibrio vulnificus

Key ID info: curved GNR, oxidase positive, catalase positive, urease positive

Helicobacter pylori

key ID info: curved GNR, oxidase positive, catalase positive, corkscrew motility, hippurate hydrolysis

Campylobacter jejuni

what is the most common cause of bacterial diarrhea

Campylobacter jejuni

key ID info: small GNCB, may show bipolar (safety pin) staining, oxidase, catalase and indole positive

Pasteurella multocida

what is the clinical significance of Pasteurella multocida

comes from animal bite wounds (mainly cats and dogs)

what is the clinical significance of Brucella spp.

zoonotic disease; comes from livestock and unpasteurized dairy; high risk lab acquired infections

what does Francisella Tularensis require for growth

cysteine

what is the clinical significance of Bordetella pertusis

whooping cough

what is HACEK and what organisms does it stand for

gram negative bacteria that live as normal flora in the human mouth and throat

H- Haemophilas species (except H. influenzae)

A- Actinobacillus

C- Cardiobacterium hominis

E- Eikenella corrodens

K- Kingella kingae

which HACEK produces bleach like odor

E- Eikenella corrodens

which HACEK is associated with joint damage (arthritis)

K- Kingella kingae

which gram negative non fermenter is an opportunistic pathogen, mucoid in cystic fibrosis patients and produces pigment

Pseudomonas aeruginosa

how can the stool of a patient infected with Vinrio cholera be described

rice water stools that contain mucus flecks

which GNR can be found in raw poultry or contaminated water and grows on CAMPY agar

Campylobacter jejuni

what is the function of urease production in H. pylori

urease converts to ammonia which acts as a protective cloud; allows H. pylori to survive in stomach acid

what does Gardnerella vaginalis cause

Bacterial Vaginosis - clue cells

what media is required for growth of Bordetella pertussis

Bordet-Gengou or Regan and Lowe

what organism is associated with peridontal and jaw absecesses and is numerous in plaque; colony has 4-6 pointed star

Actinobacillus

organism that is a level 3 pathogen; infection comes from unpasteurized milk or contact with infected goats, cows, hogs, dogs

Brucella

what type of infection are all HACEK organisms known for

endocarditis