Gram negative bacteria

based on mainly clinical presentation

Neisseria meningitidis

DIPLOCOCCI, AEROBIC, NEED FACTOR X/V in blood chocolate agar

BACTERIAL MENINGITIS

Neisseria gonorrhoeae

SURVIVES IN NEUTROPHILS

SEXUALLY TRANSMITTED DISEASE

gone non neutro

Moraxella catarrhalis

BRONCHITIS/ PNEUMONIA

OTITIS MEDIA/ SINUSITIS

CONJUNCTIVITIS

maxed out the itits

E. coli

HEMOLYTIC-UREMIC SYNDROME (acute kidney injury, Thrombocytopenia aka low platelet count, and microangiopathic hemolytic anemia aka destroys RBCs)

UTIs

Klebsiella spp

UPPER RESPIRATORY TRACT INFECTIONS, mainly in immunocompromised people

found in macrophages,

has mucin due to polysaccharide capsule

club in your nose

Proteus spp

UTIs with alkalinity → which causes precipitation into kidney stones

PERITRICHOUS FLAGELLA and Urease positive (turns urea into ammonia)

propagate stones

Serratia marcescens

PNEUMONIA

URINARY TRACT INFECTIONS

SEPSIS

Oppertunistic with NOSOCOMIAL INFECTIONS (aka healthcare associated infections, typically 48 hours after arriving at hospital)

surgeon serrating man

Pseudomonas aeruginosa

VENTILATOR-ASSOCIATED PNEUMONIA

Also via pigment producing and sweet smelling like grapes

grape scented ventilator air

Acinetobacter baumanii

SKIN/SOFT TISSUE INFECTIONS, URINARY TRACT INFECTIONS, MENINGITIS, BACTEREMIA, PNEUMONIA

purple colonies on macconkey and saccharolytic (aka breaking down sugars) makes it look like lactose fermenting

Purple bauman dress

Bacteroides fragilis

ANAEROBIC INFECTIONS, typically from peritoneal infections but can also be from

BLOOD/WOUNDS

PLEURAL FLUID

PERITONEAL FLUID

BRAIN ABSCESSES

“fragile wound”

Legionella pneumophila

FIRST REPORTED IN 1976 WHEN A NUMBER OF PEOPLE ATTENDING A CONVENTION

RELATIVELY RESISTANT TO CHLORINE AND HENCE SURVIVE in BUILDINGS (E.G. AIR CONDITIONER COOLING TOWER, SHOWERS AND EVEN WATER FAUCETS)

ROUTE OF TRANSMISSION IS BY BREATHING AEROSOLIZED WATER

Vibrio vulnificus

SEAFOOD RELATED MORTALITIES;

GASTROENTERITIS

CELLULITIS

NECROTIZING FASCIITIS (due to recurring skin lesions)

Francisella tularensis

Skin ulcers, swollen lymph nodes, inflamed eyes, sore throat or mouth sores

[TULAREMIA]

HIGHLY INFECTIOUS (only need 5-10 organisms)

from deer fly or tick, rabbit carcasses, eating undercooked game

H. influenzae

capsule and reduces nitrates to nitrites

no/ni flu

H. ducreyi

ASSOCIATED WITH SEXUALLY TRANSMITTED, GENITAL ULCER DISEASE (GUD)

SOFT CHANCRE, PAINFUL (AS OPPOSED TO ___)

soft painful ulcer on your ducy

Treponema pallidum

IMAGING DONE USING DARK FIELD MICROSCOPY

SITE OF ENTRY CHARACTERIZED BY PAINLESS, HARD RIM CHANCRE

H. pylori

spirochete with helical shape

to allow for penetration of stomach lining mucosa

urease positive in order to increase the pH of the stomach lining
stomach ulcers (duh)

mycobacterium tuberculosis

acid fast (pink on test) and strictly aerobic

grows slowly on Lowestein-Jensen Medium (L-J medium, egg based with dyes) and waxy pattern of growth

has G-glycolyl muarmic acid, not n-acetyl muramic acid → attached directly to peptidoglycan wall

M. avium intracellulare complex

CAVITARY PULMONARY DISEASE

(COMMON, CERVICAL LYMPHADENITIS,

OSTEOMYELITIS [infetion and inflammation of bone marrow], RENAL AND SKIN INFECTION ALSO OCCUR

Chlamydia trachomatis

eye infections and genital infections

elementary body - infectious form

reticulate bodies - intracellular/replication form

seen in lab via flourescent antibodies