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Timing is everything, and according to study No. 5 below, it seems mothers are most receptive to learning about vaccination 2-4 weeks after giving birth.

Warmly,

Dr. Joshua Landy
Co-founder, Figure 1

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Single-Sentence Summaries

1. Elective (but not emergency) cesarean delivery was significantly associated with high body mass index-for-age Z score at 12 months. JAMA Pediatrics Open

2. Rates of diagnosis and treatment of ADHD are higher among children born in August than among children born in September in states with a September 1 cutoff for kindergarten entry. New England Journal of Medicine

3.  Rates of diagnosis and treatment of ADHD are higher among children born in August than among children born in September in states with a September 1 cutoff for kindergarten entry. New England Journal of Medicine

4. The estimated prevalence of US children with parent-reported diagnosis of autism spectrum disorder is now 1 in 40. Pediatrics

5. Most women seek vaccine information 2-4 weeks after delivery, and they prefer to do so from the child’s doctor. Journal of Pediatrics

Clinical Quiz

A 17-year-old male presents with a history of increasing dyspnea, dry cough, and low-grade fevers. Coalescing erythematous macular lesions are evident on his hands, and hemorrhagic erosions are present on his lips. Lung auscultation reveals crackles bilaterally and a chest x-ray demonstrates a reticulonodular pattern without consolidation. What is the most likely diagnosis?

A. Henoch-Schönlein purpura

B. Mycoplasma pneumonia

C. Influenza

D. Q fever

Answer at the bottom of this post, or click here to see the full case and discussion on Figure 1, a free physician community for viewing medical cases.

Editor’s Pearl

This week’s pearl comes from a recent quiz shared by Board Vitals on Figure 1:

A recurring and localized pruritic rash is most consistent with contact dermatitis, possibly from a nickel allergy.​

CLINICAL QUIZ ANSWER:

B. Mycoplasma pneumonia.
This patient presented with Stevens-Johnson syndrome in the context of atypical pneumonia. Mycoplasma pneumonia is known to be associated with multiple extra-pulmonary manifestations including hemolysis, otitis media, and CNS involvement.

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