GRAM NEGATIVE BACTERIA

Pseudomonas aeruginosa

pneumonia, burn/wound infections. This one has a lot of qualities: (resistant to antibiotics, elastase, green pigment production) acquired at hospitals. Another key thing is to know it can cause both skin and respiratory infections.

Chlamydia trachomatis

chlamydia (STI), trachoma, PID. This one is the leading cause of preventable blindness

Helicobacter pylori

 when you see this one, think stomach ulcers, gastritis. Think of that scientist who drank the bacteria to prove it causes stomach ulcers! Urease activity, can neutralize stomach acid to survive.

Neisseria gonorrhoeae

 gonorrhea, PID, neonatal conjunctivitis. It's diplococci

Neisseria meningitidis

bacterial meningitis, meningococcemia (petechial rash). It's diplococci

Treponema pallidum

syphilis. Know that it's spirochete in shape. Know that syphilis has three stages, the tertiary (third stage) is when gummas form.

Escherichia coli

UTIs, traveler's diarrhea, HUS

Shigella flexneri

bloody diarrhea, dysentery, HUS

Salmonella enterica

food poisoning, typhoid fever

Vibrio cholerae

cholera (rice-water stools)

Yersinia pestis

bubonic plague