Exanthematous viruses Flashcards
During the fever phase, looking inside the mouth for Koplik’s spots is a dead giveaway of this disease.
Measles - rubeola
_____________ rash in infectious mononucleosis is similar to that of measles (i.e. morbilliform).
amoxicillin
Entirely vaccine preventable disease which is associated with unilateral or bilateral parotid swelling.
Mumps
Trivial disease for the person infected by it, but can be teratogenic if a mother gets it in early pregnancy.
Rubella
What is the tetralogy of Fallot (caused by rubella)?
ventricular septal defect with RV outflow obstruction
Pulmonary valve stenosis
Overriding aorta (i.e. diff position)
Right aortic arch
Skin disease which causes a lacy eruption on the arms and legs and slapped cheeks.
5th disease - caused by parvovirus B19
5th disease is quite mild for the person infected, but it can present serious complications. What are they?
Can cause fetal hydrops if susceptible mother acquires infection early in pregnancy.
By the time that the slapped cheeks appear (parvovirus B19), the patient is what?
no longer infectious
You cannot get chicken pox twice. The other case was due instead to?
Rickettsial pox (r. akari)
What causes zoster or shingles? How is it transmitted to a susceptible person?
Reactivated varicella virus.
Only contagious via touch
How is chicken pox contagious?
Aerosolizes (very contagious)
Where does shingle present?
Along a dermatome
If a suceptible person touches shingles, what do they get?
CHICKEN POX NOT SHINGLES!!
Cause of roseola infantum.
Human herpes virus 6
HIV defining illness, Kaposi’s sarcoma is caused by this.
HHV 8
