SPIROCHETES Flashcards
Microscopes to visualize spirochetes
Dark field
Fluorescence
Phase Contrast
Loosely Coiled
Borrelia
Tightly coiled w/ corkscrew motility
Treponema
Slightly coiled w/ HOOKED ENDS
Leptospira
Spirochetes:
Arthropod vectors including lice and ticks
“stretched spirals”
Borellia
BORELLIA
Agent: Louse Borne Relapsing Fever
Vector: Human louse (Pediculus humanus)
B. recurrentis (EPIDEMIC)
BORELLIA
Agent: Tick-borne Relapsing Fever
Vector: Ornithodoros ticks
B. anserine, toricatae, parkeri (ENDEMIC)
BORELLIA
Agent: Lyme disease
B. burgdorferi
BORELLIA
B. burgdogferi is transmitted via
Tick vectors IXODES DAMMINI/DEER TICKS
Stages of LYME DISEASE
- Lesion ; Erythrema chronicum
- dissemination through blood
- neurological abnormalities; arthritis
TREPONEMA
Lab Diagnosis
Dark Field - Corkscrew motility
Levaditi silver
Serology
TREPONEMA
Serology:
Screening
Confirmatory
Screening
- VDRL
- RPR
- TRUST (Reagin Test)
Confirmatory
- FTA-ABS
- TPHA
- MHA-TP
HATTS
TREPONEMA
T. pallidum t. pallidum
Venereal Syphilis (Great pox, Evil pox, French/Italian/Spanish)
TREPONEMA
Primary Syphilis
Hard Chancre (painless and firm)
Spx: swab, aspirate
TREPONEMA
Secondary Syphilis
Condylomata lata (wart-like lesions)
Spx: serum