Source / episode info

• **Episode:**17
• **Title:**Divine Intervention Episode 17 – Diseases of The Pediatric Population Part 1.
• **Published:**2018-04-12
• Source:Episode page

One-liner

This episode covers high-yield pediatric topics including lactose intolerance, celiac disease diagnosis (tTG IgA), Hirschsprung's disease management, intussusception imaging/treatment, and the genetic principles underlying Down Syndrome, Turner Syndrome, Prader-Willi syndrome, and Angelman syndrome.

High-yield summary

• Celiac Disease: Malabsorption leading to deficiencies (Fe, Vit D, Folate). Diagnosis requires anti-tTG IgA; if IgA deficient, check IgG anti-gliadin. Biopsy shows villus atrophy and increased intraepithelial lymphocytes.
• Hirschsprung's Disease: Failure of enteric ganglion cell migration (aganglionosis) to the distal colon. Classic presentation includes abdominal distention, chronic constipation, and "red currant jelly" stools. Treatment is surgical resection/anastomosis.
• Intussusception: Telescoping of bowel segments, often visualized on ultrasound as a "target sign." Diagnosis can be confirmed by air enema (therapeutic).
• Down Syndrome (Trisomy 21): Most common chromosomal abnormality; associated with intellectual disability, early-onset Alzheimer's, increased risk of ALL, and characteristic cardiac defects like Atrioventricular Septal Defect (AVSD).
• Turner Syndrome (45,X): Characterized by short stature, primary amenorrhea (hypergonadotropic hypogonadism), webbed neck, and classic cardiovascular issues including coarctation of the aorta (left-sided outflow tract defect).
• Prader-Willi/Angelman Syndromes: These are imprinting disorders. PWS is associated with hyperphagia, small testes, and developmental delay; AS is often linked to maternal deletion on chromosome 15.

Learning objectives

• Differentiate between various types of malabsorption syndromes in pediatrics (e.g., Celiac vs. Lactase Intolerance).
• Recognize and manage common pediatric GI emergencies, including intussusception and Hirschsprung's disease.
• Correlate specific physical exam findings with chromosomal abnormalities (e.g., 45,X for Turner; hyperphagia for PWS).
• Understand the genetic principles of genomic imprinting as applied to syndromes like Prader-Willi and Angelman.
• Identify the appropriate diagnostic imaging and management steps for congenital GI obstructions.