Microbiology

Helminth eggs float in sat salt

[THE FAN]

Trichuris

H nana

Enterobius

Fert eggs of Ascaris

Ancylostoma

Necator americanus

Soft tick

Q fever

Relapsing fever

Blackfly

Onchocerciasis

Sandfly

Kala azar

Oriental sore

Flea

Yersinia

Mite

Scrub typhus (orientia tsutsugamushi)

Rickettsial pox

Lice

Epidemic typhus (R prowazekii)

Borrelia recurrentis

Bartonella quintana

Catalase negative organisms

Strep

Enterococci

Lactobacillus

Photochromogens (light only)

M kansasii - yellow orange

M marinum - yellow

Scotochromogens (always pigmented)

M scrofulaceum - yellow orange

M gordonae - yellow

Non chromogens

M tb (buff/white)

MAC