ID: Spirochette/Chlamydial/Rickettsial infections Flashcards Preview

Unit 6: Pathology > ID: Spirochette/Chlamydial/Rickettsial infections > Flashcards

Flashcards in ID: Spirochette/Chlamydial/Rickettsial infections Deck (22):
1

aortic tree bark appearance

syphilis

2

pannus apperance of scar in cornea

Trachoma
Chlamydial infection

3

Chlamydial infection transmitted birds to humans?

C. psittaci

4

Rickettsial infections can be divided into..

1. spotted fever group
2. typhus group

5

agent in rocky mount spotted fever? what vector transmits it?

rickettsia ricketti

tick bites

6

describe the rash in RMSF

petechial and purpuric

7

what medication for RMSF

doxy

8

what is the agent in louse borne typhus

rickettsia prowazekii

9

if R. prowazekii goes latent, what infection can it produce many years later?

recrudescent disease (brill zinsser disease)

10

what is weil disease

icterohemorrhagic leptospirosis
severe form with jaundice and azotemia from liver and kidney dysfunction, fever, hemorrhage and anemia

11

how could you visualize treponems in a painless chancre from primary syphilis

dark field microscopy

12

what lesion is characteristic of secondary syphilis

condylomata lata

13

what is argyll robertson pupil and hen is it seen

constricts with accommodation but not reactive to light

tertiary syphilus

14

baby is born with rhagades what are these and what disease. what else can you see in these babies

linear scars at angle of mouth seen in congenital syphilis

saddle nose, notched (hutchinson) teeth, mulberry molars, short maxilla, saber shins,

15

what state are you most likely to see RMSF in

north carolina

16

how does rash spread in RMSF

starts on wrists and ankles and spreads to trunk, palms and soles

17

describe the rash in endemic louse born typhus

rash starts centrally and spreads out, sparing palms and soles


"Rickettsii on the wRists, Typhus on the Trunk

18

what is the most common cause of culture negative endocaritis

coxiella burnetti

Q fever

19

chlamydial trachomatis serotypes A, B and C cause what disease

chronic infection causes blindness due to follicular conjuctivitis in AFrica

20

chlamydial trachomatis serotypes D-K cause what disease

STD
urethritis/PID, ectopic prego, neonatal pneumonia with eosinophilia

21

chlamydial trachomatis serotypes L1, L2, L3 cause what disease

lymphogranuloma venereum
small painless ulcers on genitals and swollen painful inguinal lymph nodes that ulcerate (buboes)

22

tell me about what the titers are in mycoplasma pneumoniae

high titer of cold agglutinins (IgM) which can agglutinate or lyse RBCs