A presentation about Lyme disease. It include evreything about it except diagnosis and treatment.

1. LYME DISEASE
Presented by:
Arwa H. Al-
Onayzan.
ID: 215007943.

2. OUR CASE
 For several weeks , a41 –years- old male has felt
as if is slight drunk all the time.
 He can’t walk properly anymore and feels as if he
is in daze.
 At first he thought it might be exhaustion but as
it is not improving he wants to know what is wrong
and the prognosis is.

3. OBJECTIVES
 Deferential diagnosis.
 Definition of Lyme disease.
 Epidemiology.
 Risk factor.
 Causes.
 Pathophysiology.

4. DEFERENTIAL DIAGNOSIS
 Multiple sclerosis. X
 Cerebellar tumor. X
 Encephalitis. X
 Lyme disease.

5. INTRODUCTION
 The disease was named for Lyme, Connecticut, the town
where it was first diagnosed in 1975 after a puzzling
outbreak of juvenile arthritis.
 The organism that causes the disease was identified in
1982 and named for its discoverer,Willy Burgdorfer.

6. DEFINITION OF LYME
DISEASE
 It is a tick transmitted infection caused by Borrelia
burgdorferi.
 Borrelia are large spirochetes and have endoflagella.
 unlike the other bacteria, borrelia species has liner
plasmid.
 Lyme disease is classified as a zoonosis.
 it’s systemic illness.

7. EPIDEMIOLOGY
 It is the most commonly reported tick-borne
illness in the USA and Europe.
 It is seasonal disease in occurrence.

8. RISK FACTOR
 Geographical location.
 Spending time in wooded or grassy areas.
 Having exposed skin.
 Not removing ticks promptly or properly.

9. CAUSES
 Borrelia species: B. burgdorferi, B. afzelii, and B. garinii.
 Borrelia species are carried by infected deer ticks
(Ixodes scapularis) and pass it to the humans.
 In U.S, the white-footed mouse is the usual host of
immature ticks, while deer are the most common hosts
of the adult ticks.
 In Europe, sheep are the usual hosts of adult infected
ticks.

10. PATHOPHYSIOLOGY


11. SUMMARY
We
talked
about
Deferential
diagnosis
Causes
Risk
factor
Epidemiology
Definition
Pathophy-
siology

12. QUIZ TIME
 What’s the risk factor of Lyme disease (2
just)?
 True or false:
 Lyme disease is caused by parasite.

13. ANY QUESTIONS?

14. REFERENCE
 Gale Encyclopedia Of Neurological disorders (p.505-
509).
 The Merck Manual of Diagnosis & Therapy, page 1269.
 Clinical Microbiology made ridiculously simple book
3th (p.96-98).
 Atlas Of Neurology book (p.228-229).
 Medical Microbiology made memorable book (p326-
328).
 Microbiology Lippincott's book (P164-166)