ID dx Flashcards
The following is the general “criteria” for what?
- Fever >38.3degC (100.9F)
- At least 3wks duration
- No dx after 3 outpt visits or 3 days of hospitalization
Fever of unknown origin
Diagnosis of what?
- Clinical with cultures
- Skin biopsy shows intraepidermal cleavage without necrosis**
Staph Scalded Skin Syndrome (SSSS)
How do you diagnose rabies? (4)
- test animal if possible
- PCR of saliva
- viral culture of saliva
- Full thickness skin biopsy from posterior region of neck at hairline
How do you dx Zika virus?
- Viral RNA or IgM
- real-time RT-PCR of blood or urine for Zika virus RNA
How do you diagnose Legionella?
sputum culture
Urinary antigen tests
How do you dx botulism?
Clinical dx
Toxin in serum, stool, etc
How do you dx diphtheria?
Clinical dx
confirmed w/ culture and + toxin assay
How do you dx tetanus?
clinical dx in setting of tetanus prone injury and hasn’t had tetanus booster in last 5 yrs
How do you dx early lyme?
clinical diagnosis
How do you dx late lyme? (intermittent or persistent arthritis, subtle encephalopathy, polyneuropathy)
Clinical dx + lab evidence
T/F: the following is some of the diagnostic for chronic lyme disease:
- H/o lyme treatment
- onset of nonspecific sxs (fatigue, arhtralgias, memory disturbances, etc) w/in 6 months
True
How do you dx Rocky mountain spotted fever?
•Serologic testing with IFA (indirect fluorescent antibody) for R. rickettsia antigen
How do you dx CMV?
Quantitative DNA PCR
How do you dx Toxoplasmosis
Serology- ELISA
