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Adolescent + palpable lymph nodes , splenomegaly and lymphocytosis with PAUL-Bunnell antibodies
EBV INFECTION which may lead to splenic rupture due to trauma in its 2nd week of illness
14 month old infant + high grade fever then generalized macular rashes as the fever lysed
Roseola infantum (6-15 months old)
Viral infection that has predilection for suppressing ALL CELL LINES (decreased cbc)
Roseola infantum / exanthem subitum or the 6th diease
Etiologic agent for EXANTHEM SUBITUM
HHV-6
Parent asked you how many days does the rashes from 6th disease lasts
1-3 days
Toddler presented with cough, cold and conjunctivitis with rashes that started from hairline and spread cephalocaudally
Dx? Etio agent? Incubation period? Period of communicability?
Dx: MEASLES/ rubeola
Etio agent: RNA VIRUS FROM PARAMYXOVIRIDAE
Incubation period: 8-12 days
Period of communicability: 4 days before and 4 days after the rash
Slapped cheek appearance
Etio?
Erythema infectiousum
Parvovirus B19
All stages of lesions
Varicella
Low Grade fever + maculopapular rash with post auricular, post occipital and post cervical lymphadenopathies
Rubella
Virus with predilection to affect ERYTHROID CELLS causing aplastic crisis
Parvovirus B19 causing erythema infectiousum
Most common congenital infection
Cytomegalovirus
CMV manifestations
CMV = blueberry muffin rash
calcifications, INTRACEREBRAL (periventricular distribution)
microcephaly
very large liver and spleen
Congenital toxoplasmosis triad
CDH
Chorioretinitis
Diffuse intracaranial calcifications
Hydrocephalus
Most common causative agent of atypical pneumonia in children
Mycoplasma pneumoniae
Most common cause of epiglottitis in an unvaccinated child
H. Influenzae
PAROXYSMAL cough + very high WBC with predominant lymphocytosis
Whooping cough by BORDATELLA PERTUSIS
3 phases of dengue and concomitant clinical issues
Febrile phase : dehydration
Critical : organ impairment
Recovery phase: fluid overload
Prophylaxis for a case of meningococcemia
Ciprofloxacin 500 mg PO SD
Ceftriaxone 125mg IM SD for less than 12yo
Rifampicin 10mg/kg q12 X4 doses
- 5mg/kg if less than one month old
Mainstay of diagnosis for enteric fever
Typhoid fever is diagnosed via a (+) blood culture (mainstay)
Stool and urine culture becomes positive after the first week of illness (on second week)
Unvaccinated child with sore throat and a whitish gray adherent pseudomembrane on pharynx. Dx? DOC?
Diphtheria
DOC: PEN G x 14 days
Fever + bloody diarrhea + abd pain with confusion
Shigella (mc cause of bloody stools)
DOC FOR SHIGELLA
Cefixime
Child with fishy odor and rice water consistency stools, dehydration
Cholera
Doc for cholera
> 8 yo tetracycline
<8 yo cotrimoxazole
Etio agent of syphylis?
Treponema pallidum
DOC for syphilis
PEN G x 14 days
Neonate with (+) bilous vomiting (+) double bubble sign in a mom with large volume of amniotic fluid
Duodenal atresia
(+) dilated proximal colon and an obstructed distal colon
Hirschsprung disease