NP exam 4
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a mechanical obstruction caused by inadequate motility of part of the intestine. Ten percent of infant with this disease will not pass meconium. Also called congenital aganglionic megacolon.
a remnant of the fetal omphalomes enteric duct that connects the yolk sac with the primitive midgut during feta life. Normally this structure is obliterated by the fifth to seventh week of gestation. Complications include ulceration, bleeding, intussusception, intestinal obstruction, diverticulitis and perforation. Can cause rectal bleeding.
Esophageal atresia (narrowing of esophagus) and tracheoesophageal fistula (blended together). May occur separately or together. Tracheoesophageal fistula ,coughing, choking, cyanosis and excessive salivation and drooling.
Esophageal atresia and tracheoesophageal fistual
Visible peristalsis and weight loss. narrowed pyloric sphincter with obstruction of gastric outlet. Usually develops in the first 2 to 5 weeks of life causing projectile vomiting, dehydration, metabolic alkalosis and growth failure.
hypertrophic pyloric stenosis
Telescoping or invagination of one portion of intestine into another. Can occur with CF, and causes abdominal pain, bloody stools, vomiting, diarrhea or constipation and abdominal mass. Treatment includes guided air enema or saline enema. May correct itself.
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