Measles Flashcards

1
Q

another name

A

rubeola

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2
Q

moa

A

respiratory

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3
Q

prophylaxis

A

MMR - live

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4
Q

what tpe of virus is it

A

RNA

genus - morbiliivirus

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5
Q

ip

A

2 weeks

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6
Q

pathognomic

A

koplik spots on the buccal mucosa

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7
Q

big complications

A

subacutescleroisng pan ecephalitis - a progressive neurlogical disorder usually coming 2-10 years after attck - behavioural changes, memory loss, seizures etc or just encephalitis

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8
Q

how long does the diease typically last

A

10 days

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9
Q

stages of diease

A

IP

  1. prodromal/cattarhal stage
  2. exanthem stage
  3. convalescent
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10
Q

symptoms

A

fever >40
coryzal symptoms
conjunctivitis followed by a rash
koplik

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11
Q

key point about infection with measles

A

even after the rash disappears the patient can still be infectious for 4 days

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12
Q

prognosis

A

usually good if uncomplicated but poor if neonate or immunocompromised

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13
Q

gold standard

A

measles specific IGM ab’s ( may be negative in 1st 3 days)

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14
Q

diagnosis

A
gold standard (igm measle antibdoies) PCR , clinical picture 
labs: leukopenia, thromcytopenia, neutropenia
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15
Q

epi

A

worldwide typically in low vaccinated develping countries peak incidence <12 months age

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16
Q

where does the rash usually begin and characteristics

A

on the , hairline behind ears face . The rash begins to spread down the neck, trunk, and extremities. By day three, the whole body is covered. its a brick red rash and starts to clear in the order it came

17
Q

what comes first koplik or rash

A

koplik (cattarhal stage)

18
Q

minor complications

A

otitis media , pneumonia, BLINDENESS

lecture divides into respiratory, (croup, laryngitis etc) CNS a nd diarrhoea(children)

19
Q

does the rash blanch

A

yes

20
Q

key word to describe rash and when does it break out

A

confluent especially on the face and after 3-5 days after symptoms begin rash breaks out

21
Q

prodromal phase and how long

A

3 c’s cough (non productive) coryza conjunctivitis - these symptoms nearly always precede the koplik spots . lasts around 3-5 days

22
Q

TARGET SYSTEM OF MEASLES

A

ITS A VIRAL INFECTION OF RESPIRATORY SYSTEM

23
Q

interesting fact about measles

A

one of the world most contagious diseases

24
Q

when are you contagious

A

4 days before and 4 days after the rash

25
Q

who’s at risk for complications

A

children <5 and adults >20

26
Q

do children die from measles

A

Children usually don’t die directly of measles, but of its complications

27
Q

Measles in immunocompromised

A

Often without a rash and Virus-induced giant pneumonia

28
Q

atypical measles

A

Modified measles — mild form —partial immunity
Rash-faint, not confluent, Koplik spots may or may not be present

happens in individuals who were previously vaccinated but did not develop full immunity

29
Q

measures

A

isolated room (negative pressure ventilation)

30
Q

MMR DOSES

A

2 DOSES

  1. 12-15 months
  2. 4-6 years
31
Q

post exposure prophylaxis

A

MMR vaccine within 72 hours of initial measles exposure, or immunoglobulin (IG) within six days of exposure. Do not administer MMR vaccine and IG simultaneously, as this practice invalidates the vaccine.

32
Q

how long does the rash descend for

A

3 days !

33
Q

is watch itchy

A

not usually

34
Q

measures mcps

A

should be isolated for 5 days after the rash appears
children under 2 years of age living in unsanitary conditions should be hospitalized​

children vaccinated 30 days before contact shouldn’t be isolated

35
Q

most recent epidemic in Bulgaria

A

2009-2010, the case was an imported case