Lecture 7 - Lyme Disease Flashcards Preview

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Flashcards in Lecture 7 - Lyme Disease Deck (16):
1

Most common vector borne disease

Lyme disease

2

Most common symptom of Lyme disease?

Bulls eye rash associated with a tick bite

3

Borrelia burgdorferi

G- spirochete

4

How is Borrelia burgdorferi transmitted between hosts?

Ticks

5

What type of animals do ticks infect?

Vertebrates and arthropods

6

Features of Ixodes Tick

hard bodies that are very small but still visible to the naked eye

7

3 stages of the tick lymph cycle

Larva, nymph, adult *require blood meals between each stage

8

In what life cycle step does ticks most commonly infect humans?

Nymph

9

What time of year do most tick infections occur?

Spring/Summer

10

How does transmission occur?

Ticks latch onto human and move to hard to reach spots. Injects anesthetic and becomes engorged.

11

How long does it take for the tick to begin transmission

24h

12

What happens in the early localized stage

Bulls eye rash occurs 1-2 weeks after bite and expands if untreated

13

Early disseminated stage is indicated by

Major rashes, pain and swelling the joints, heart palpitations, meningitis, and facial palsy

14

What happens in th elate disseminated stage?

Little response to antibiotics and neurological problems are likely

15

How is Lyme disease diagnosed?

Visible tick bite, antibody tests, and sending the tick to a lab

16

Treatment of Lyme disease

2-4 weeks of antibiotics