Sketchy Micro: Giardia Flashcards Preview

USMLE Step 1: Part 2 COPY > Sketchy Micro: Giardia > Flashcards

Flashcards in Sketchy Micro: Giardia Deck (8)
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1
Q

How is Giardia transmitted?

A

Fecal-oral

Specifically, people get infected by the cysts of Giardia pooped out by another animal.

(Think of the poop in the water and the bubbles on the surface.)

2
Q

Which population is at high risk for Giardia?

A

Campers and hikers who don’t adequately filter their water (like the hikers in the boat wearing backpacks and drinking the river water)

3
Q

What symptoms does Giardia cause?

A
  • Foul-smelling diarrhea (like the hikers pinching their noses)
  • Steatorrhea (the river guide is sitting on a yellow stool)
4
Q

Giardia has a characteristic shape: _____________.

A

it is a tapering ovoid with flagella (represented by the indigenous shields with tassels on the sides of the canoe)

5
Q

Importantly, Giardia does not ___________.

A

invade

Think of the shields just stuck to the sides of the canoe.

6
Q

Both ______________ can be shed in the stool of someone infected with Giardia.

A

trophozoite Giardia and cyst Giardia

7
Q

How is Giardia treated?

A

Metronidazole (like the metro running behind the river)

8
Q

How is Giardia diagnosed?

A

Stool ELISA (like the name of the boat) or ova and parasite test of stool looking for Giardia

Decks in USMLE Step 1: Part 2 COPY Class (142):