Monkeypox Flashcards
What is Monkeypox?
Rare disease caused by the Monkeypox virus
Orthopoxvirus
First human case?
1970 in DRC
How is Monkeypox spread?
- Close/Direct contact with:
lesions, bodily fluids, or resp secretions - Spread from an infected animal or animal products
- Vertical transmission from mother to fetus
T/F: Monkeypox can be spread by OBJECTS that have had contact with lesion crusts or body fluids-current outbreak
TRUEE
How to clasify the sx?
Similar to but milder than symptoms of smallpox
Monkeypox Sx being with:
Fever Headache Muscle aches Backache Lymphadenopathy Chills Exhaustion
How to distinguish Monkeypox from Smallpox?
LAD
What sx develop w/in 1-3 days after appearance of fever?
Rash
Lesions progress through the following stages over 2-3 weeks:
Enanthem Macules Papules Vesicles Pustules Scabs "Ew, Monkey pox, very pus-y & scary"
Can the lesions be umbilicated?
yes
DDx:
- Molluscum contagiosum
- Syphilis
- VZV
- Smallpox
- Chickenpox
T/F: Smallpox is an agent of bioterrorism
True
Chickenpox
- Starts inward and grows out.
- Body wide
Smallpox
- Papule to pustule to vesicle
- Can be umbilicated
- No LAD
T/F: hard to determine clinical diff b/w monkeypox & smallpox?
True
Has smallpox been erradicated?
Yes
Key Characteristics of ID Monkeypox
Lesions are:
- Lesions well circumscribed, deep seated, and often umbilicated
- Lesions are relatively the same size and stage on a single body site
- Lesions on palms and soles
- Lesions are painful until crust appears when they become itchy
Key Characteristics of ID Monkeypox
___ prior to ____
Fever prior to rash
Key Characteristics of ID Monkeypox
Disseminated rash is ______
Disseminated rash is centrifugal (more lesions on face and extremities)
Key Characteristics of ID Monkeypox
Differentiator from Smallpox
Lymphadenopathy
Incubation of Monkeypox
Sx?
Contagious?
average 7-14 days, Range 5-21 days
Asymptomatic during this time
Not contagious
Enanthem vs Exanthem
Exanthem: “breaking out,”
used to describe cutaneous eruptions that arise abruptly and on several skin surfaces at once.
Enanthem: refers to mucous membrane (tongue & mouth) involvement
Prodrome phase
Characterized by:
time?
Contagious?
Prodrome of fever after the incubation phase
1-3 days
contagious
Onset of the rash phase
Characterized by
Time?
Contagious?
Enanthem (mouth & tongue) then macules then papules then vesicles then pustule then scab
Lasts 2-3 weeks
Contagious until all scab have fallen off AND a fresh layer of intact skin has formed underneath