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Children with asplenia are especially susceptible to what category of bacteria?
Encapsulated. Examples include: Streptococcus pneumoniae, Haemophilus influenzae type b, and Neisseria meningitidis.
Most common maternal antibodies to cause neonatal Lupus?
Antibodies to Ro/SSA (Sjögren syndrome type A antigen) and/or La/SSB (Sjögren syndrome type B antigen).
Which valve is most commonly affected in rheumatic valvulitis?
The mitral valve.
Mitral regurgitation is a particularly characteristic manifestation of rheumatic carditis.
What is the inheritance pattern associated with hypertrophic cardiomyopathy?
Autosomal dominant.
(First-degree family members of patients with hypertrophic cardiomyopathy should be evaluated for the condition as well).
The most common infectious trigger of erythema multiforme in children
herpes simplex virus (HSV)
What is the most common type of ventricular septal defect- AV canal defect, membranous defect, muscular defect, or subpulmonic defect?
Membranous defect.
On physical exam VSDs reveal loud, harsh holosystolic murmur at the left lower sternal border.
Bilateral facial nerve palsy is pathognomonic for what infectious disease?
Lyme disease
Most common solid extracranial tumor in children