Lyme disease and lyme like disease Flashcards

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1
Q

Causes

A

Lyme disease (known as Lyme borreliosis) is caused by;

  • a spirochete, Borrelia burgdorferi

Transmitted by Ixodes ticks, in particular the deer tick.

It is not endemic in NZ and is usually seen in travellers from affected regions.

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2
Q

Symptoms & Diagnosis

A

Diagnostic serology should be considered for pts with;

a history of tick bites

typical rash (a doughnut-shaped red rash ~6 cm in diameter) at the bite site

heart disorders (esp. arrhythmias)

unusual joint arthralgia or

CNS disease (usually large joints, e.g. knees)

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3
Q

Treatment

A

After removing the tick (see tick removal 457) Rx is with;

  • penicillin,
  • tetracycline or
  • cephalosporins (e.g. doxycycline 100 mg bd for 21 d).
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