Measles amd Mumps Flashcards
What is the pathogenesis of Mumps?
The virus enters through the pharynx and conjunctiva. A viremia occurs which then seeds the parotid glands, pancreas, brain
What is the incubation period of this illness?
16 to 18 days
How long does the parotid gland remain swollen?
1 week
If encephalitis occurs, when will it happen?
7 to 10 days after Parotitis
What are some other complications of Mumps?
Epidydimorchitis- 20- 30% Oophoritis- 5% MIgratory Polyarthritis EKG changes Catarrhal Conjunctivitis Endocardial Fibroelastosis Suppurative Parotitis- due to Staph and Gram -rods Meningoencephalitis- CSF with low sugar and lymphocytes
What viral illnesses mimic Mumps?
Parainfluenza 3
Influenza A
Coxsackie Virus
What is the incubation period of Measles? What kind of virus is it?
2 weeks. A Paramyxovirus
When do Koplick’s Spots appear?
1 to 2 days before the rash. They last for 4 days
What is the effect of Vitamin A In Measles?
It reduces mortality by 50%, the doase ranges from 50,000 to 200,000 unit given on day 1 and repeated in 24 hours. It modulates the immune system.
What are the causes of secondary bacterial pneumonia in Measles?
Staph and H Flu.
What are the causes of secondary diarrhea in Measles?
Rotavirus and Shigella
What are the complications of Measles?
SSPE- Dementia, Myoclonus, Ataxia, Choreoathetosis- treatment is Klonopin, or Tegretol and Antipsychotics Otitis Media Corneal Ulcers Myocarditis Encephalitis Ileocolitis
What is the best way to prevent Measles?
Immunization, 2 doses, 1 at 6 to 9 mos the other a minimum of 4 weeks later
What are the contraindication to immunization?
Pregnancy
Immunocompromised State
Anaphylaxis to Gelatin and Neomycin
How is the infection spread?
Via droplets. It can be acquired up to 2 hours after the infected person has left the room.