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21 Cards in this Set
- Front
- Back
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Organism in Cat Scratch Disease
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Bartonella henselae
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Cause of Cat Scratch Disease
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exposure to cats, esp. kittens, and fleas
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Incubation period for Cat Scratch
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3-10 days
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MC S/S in Cat Scratch
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regional adenopathy
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History and Presenting Complaints in Cat Scratch
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contact with a cat (often being scratched), rash in 90% with lymphadenitis, 1/3 FOUO, 1/3 fatigue, parinaud oculoglandular syndrome
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Classic S/S of cat scratch
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rash, lymphadenitis, fever, and fatigue
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Describe rash in cat scratch disease
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1 or more red papules 0.5 cm or less in diameter that appear at the site of inoculation usually from a cat scratch or bite
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Describe lymphadenitis in Cat Scratch Disease
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persist 4-6 weeks, will be warm and tender, can last 1 plus years, may form sinus track, axillary nodes are most frequently affected
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Which nodes are most frequently affected in Cat Scratch?
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axillary nodes, followed by cervical, submandibular, and preauricular
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Describe fever in Cat Scratch disease
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may last 1-2 weeks, prolonged without apparent cause (FUO)
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Hoe long does fatigue persist in Cat Scratch Disease?
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for weeks to months
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Where does parinaud oculoglandular syndrome occur?
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at site of inoculation- eyelid or conjunctiva (lick, scratch, or bite)
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How long does it take symptoms of parinaud oculoglandular syndrome to occur?
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few weeks
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Symptoms of parinaud oculoglandular syndrome
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nonpurulent conjunctivitis, ocular granuloma, preauricular adenopathy
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How long does it take for parinaud oculoglandular syndrome to resolve?
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resolves in a few mths with no residual damage (and no tx needed)
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How long does it take for CNS CSD to manifest and then resolve?
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manifests slowly and takes one year or more to resolve
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Various encephalitis based presentations of CSD
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seizures, myelitis, peripheral neuropathy, retinitis, bell palsy, extremity weakness
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How do you make diagnosis of Cat Scratch Disease?
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history and physical (lymph node biopsy)
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Confirmation for Cat Scratch Disease
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serology testing
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Tx for Cat Scratch Disease
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in immunocompetent with classic presentation- self limited with symptomatic therapy, symptomatic aspiration of nodes, macrolide (Azithromycin) PRN
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Antibiotics that Cat Scratch Fever will respond to
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Septra, Rifampin, Cipro, Gentamicin, and Azithromycin
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