peds rosh - ID Flashcards
clinical features of erythema infectiosum?
fifth dz
* facial rash (slapped cheek)
* reticulated, lacelike rash on trunk and extremities
* URI sx 3-4 days prior to rash
what is the causitive agent of erythema infectiosum (5ths dz)
parvovirus B19
sickle cell patients are at risk for what if infected w parvovirus?
aplastic anemia
which dz is characterized by a high fever followed by the development of an erythematous rash?
Roseola (sixth dz)
MCC of roseola?
human herpes 6
what is the classic presentation of roseola?
3-5 days of high fever, often exceeding 104 that resolves abruptly, followed by a blanchable, nonpuritic, erythematous, maculopapular rash **begining on the or trunk and spreading to the extremities **
paroxysmal cough, posttussive emsis, sx lasting > 10 days, and abscence of fever should make you think of what dx?
Pertussis
Which medications, when given to patients with mononucleosis, are known for causing a characteristic prolonged, pruritic maculopapular rash?
Penicillins
A child cuts their finger on a fish tank and the lesion becomes a erythematous blueish nodule/papule with central ulceration. What is the likely pathogen?
Mycobacterium Marinum
How does late lyme dz present?
- monoarticular or oligoarticular arthritis in large joints, especially the knee
- children –> swelling, stiffness, afebrile and able to bear weight
- LESS PAIN that inflammatory or septic arthritis
- synovial WBC in inflammatory range, but not giving septic
this is a diffuse, erythematous, blanching rash that appears w/in 2 days of a strep pharyngitis infection. The rash starts in the acilla and groin and presents as small papilar elevations . Linear petichiae over axillary fold ans antecubital fossa
Sx: sandpaper rash, strawberry tongue, circumoral pallor, Pastia lines - petechiae in skin folds
scarlet fever
MCC of hand, foot, and mouth dz
coxsackie virus
how does hand, foot, and mouth present
low-grade fever, mouth or throat pain, oral lesions, and an exanthem on the hands, feet, arms, legs, and buttocks
NONPURITIC AND PAINLESS lesions
What can CMV cause in newborns?
nonhereditary sensorineural hearing loss
what are the manifestations of congenital cytomegalovirus infection?
petechiae, jaundice, hepatosplenomegaly, small size for gestational age, microcephaly, sensorineural hearing loss, lethargy, poor suck, chorioretinitis, seizures, hemolytic anemia, and pneumonia
what virus causes mumps?
paramyxoviridae
what is the treatment for pinworms
Albendazole or mebendazole
how long after exposure does rubella rash appear?
14-17 days
clinical features of rubella
- rash that starts on face and spreads to trunk and extremities
- posterior cervical and posterior auricular lymphadenopathy
- forchheimer spots - petichea of the soft palate
- fever, sore throat, headache
what is the preferred testing for HSV if vesicles are present? if vesicles are crusted over or absent?
vesicles - viral culture or PCR
crusted/no vesicles - serologic antibody testing
what are the clincial characteristics of measles (rubeola)
malaise, fever, conjunctivitis, cough, and coryza for 2-4 for days followed by a rash
starts at face, maculopapular –> spreads to trunk and extremities INCLUDING the palms and soles
**koplik spots **= pathognominic; small, irregular spots with a white center located on the palatal or buccal mucosa opposite the molars
what vitamin supplementation improves morbidity and mortality in pediatric pts with measles
Vitamin A
what is the most common complication of mumps?
orchitis
treatment for whooping cough
azithromycin
