MEDITERRANEAN SPOTTED FEVER Flashcards

1
Q

cause

A

rickettsia conorri

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2
Q

moa

A

dog tick

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3
Q

epi

A

mediterranean

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4
Q

IP

A

4-10 days (1 week)

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5
Q

type of disease

A

zooinose

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6
Q

characteristic signs of the disease

A

a mp rash that classically spread to the palms and soles

distinct black eschar, , at the site of the tick bite(not painful or itchy)

eMedicine Logo

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7
Q

triad

A

tache noir, fever, rash

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8
Q

mb

A

obligate intracellular, gram -

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9
Q

symptoms

A

classically flu like symptoms

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10
Q

another name for disease

A

boutonneuse fever

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11
Q

diagnosis

A

serology
pcr
elisa

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12
Q

name of the tick

A

rhipicephalus sanguineus

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13
Q

examples of killed vaccines

A

HAV, POLIO, RABIES

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14
Q

live vacines so far

A

MMR, the OPV (polio vaccine)

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15
Q

intro

A

also known as boutennues (spotted or pimpled)

its endemic in the mediterranean region

has different names depending on where you find it such as marseilles fever

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16
Q

dx

A

The exanthem may be papulovesicular in some patients; this form is more common in adults in Africa. It may be challenging to differential this form from viral exanthems, particularly chickenpox.

17
Q

dx

A

The exanthem may be papulovesicular in some patients; this form is more common in adults in Africa. It may be challenging to differential this form from viral exanthems, particularly chickenpox.

18
Q

minority of patients

A

n a minority of patients, isolated lymphadenopathy is the only symptom. R conorii infection should be considered in patients with isolated lymphadenopathy who live in or have traveled to an endemic area, even when other more specific features are not present. In this setting, care should be taken to examine the area distal to the lymphadenopathy for an inoculation eschar, which, if present, can help support the diagnosis.

19
Q

preventin

A

Patients should be educated about avoiding tick bites and minimizing contact with dogs in areas that are endemic with MSF.

20
Q

diagnosis

A

Because there is no test that can reliably confirm MSF in its early stages, the diagnosis is commonly made on the basis of clinical findings. [25] The clinical diagnosis is supported when a history of travel to an endemic area is coupled with the following triad:

Fever
Exanthem (maculopapular rash)- non pruritic
Eschar (tache noire) at site of tick bite

21
Q

epidemioligcal points

A

About 88% of MSF cases are diagnosed between June and September (as a reflection of the reproduction cycle of Rhipicephalus); however, physicians should be aware that climate changes are leading to increases in the number of off-season MSF cases