ID 7 Flashcards

1
Q

classic source of yersinia

A

pet feces from puppies + contaminated milk + pork

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

cause of pseudo appendicitis with yersinia?

A

mesenteric adenitis or inflammation of terminal ileum.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

h pylori triple positive?

A

catalase, oxidase, and urease positive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

treatment for h pylori?

A

amoxicillin + clarithromycin + PPI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what do you give someone for h pylori if they have a penicillin allergy?

A

metronidazole

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

biggest spirochete?

A

borrelia (borrelia is big). Thus, only one that can stained and seen with light microscopy.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

leptospirosis presentation

A

flu-like symptoms + calf myalgia + jaundice + photophobia with conjunctival suffusion (erythema without exudate)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

other name for Weil disease

A

icterohemorrhagic leptospirosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Weil disease presentatoin

A

severe form of leptospirosis with jaundice and azotemia from liver and kidney dysfunction + fever + hemorrhage + anemia.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what type of organism is babesia?

A

protozoan

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

stage 2 lyme disease

A

Early disseminated: secondary lesions + carditis + AV block + bell palsy + migratory myalgias/transient arthritis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

stage 3 lyme disease

A

late disseminated: encephalopathies + chronic arthritis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

latent syphilis

A

positive serology without symptoms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

secondary syphilis characteristics

A

1) disseminated disease

2) *patchy hair loss

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Difference between VDRL/RPR and FTA-ABS?

A

VDRL/RPR is nonspecific and needs to be confirmed with FTA-ABS, which is specific.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

signs of tabes dorsalis

A

1) broad-based ataxia
2) positive romberg
3) charcot joint
4) stroke without hypertension

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

neurosyphilis

A

tabes dorsalis or general paresis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

general paresis

A

Severe neuropsychiatric disorder caused by chronic syphilis meningoencephalitis that leads to cerebral atrophy.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

neurosyphilis diagnosis

A

Test spinal fluid with VDRL + FTA-ABS + PCR.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What are rhagades?

A

linear scars at angle of mouth, characteristic of congenital syphilis.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

How do you prevent congenital syphilis?

A

Treat mother early in pregnancy (placental transmission typically occurs after first trimester)

22
Q

snuffles?

A

nasal discharge

23
Q

congenital syphilis presentation

A

1) rhagades
2) snuffles
3) saddle nose
4) notched/Hutchinson teeth
5) mulberry molars
6) short maxilla
7) saber shins
8) CN VIII deafness

24
Q

What does VDRL detect?

A

antibody reacting to beef cardiolipin

25
VDRL characteristics
sensitive but not specific
26
false positives on VDRL?
In back corner Anna’s dad holding wheelchair + josh in a net on left + Claire with a rifle on right + sugar cane + lepromatous guy on rachel’s lap + Rachel Ancar in a wheelchair + prostitute covered in sugar cane laying on shelf above/false positives on VDRL can be due to viral infection (mono, hepatitis) + drugs (chlorpromazine; procainamide) + rheumatic fever + lupus + leprosy + anticardiolipin antibodies (APA syndrome).
27
Jarisch-herxheimer presentation
fever + chills + headache + myalgia
28
borrelia recurrentis disease?
relapsing fever (borrelia RECURRENTis)
29
borrelia recurrentis source?
Lice
30
Why do lice cause recurring fever?
variable surface antigens
31
other name for brucellosis?
undulant fever
32
brucella source?
unpasteurized dairy
33
coxiella burnetii source?
aerosols of cattle/sheep amniotic fluid
34
ehrlichia source
amblyomma (lone star tick)
35
pasteurella multocida causes...
1) cellulitis | 2) *osteomyelitis
36
pasteurella multocida sources
cat or dog bite or other animal bite
37
rickettsia prowazekii transmission and source
human to human via human body lice
38
rickettsia rickettsia causes
rocky mountain spotted fever
39
rickettsia rickettsia source
dermacentor (dog tick)
40
rickettsia typhi source
fleas
41
Don't confuse yersinia pestis with yersinia enterocolitica
ok
42
yersinia pestis source
fleas
43
gardnerella sex caveat
associated with sexual activity but not sexually transmitted
44
clue cell description
cell with "stippled" appearance along outer margin
45
gardnerella diagnosis
amine whiff test--mixing discharge with 10% of KOH enhances fishy odor.
46
r typhi presentation
rash starts centrally and spreads out
47
rocky mountain spotted fever triad
headache + fever + rash (vasculitis)
48
characteristic path finding with ehrlichiosis
monocytes with morulae (mulberry like inclusions)
49
characteristic path finding with anaplasmosis
granulocytes with morulae
50
Q fever presentation
pneumonia
51
Why is Q fever queer?
No rash or vector and coxiella can survive outside in endospore form. Not in rickettsia genus.