NR 322 – Exam Three Study Guide 1. Review Hirschsprung Disease. What is it? Complications? Treatments? Absence of parasympathetic ganglionic cells (help sphincters relax) in a segment of the colon , usually at the distal end of the large intestine. The lack of nerve innervation causes an absence of, or alteration in, peristalsis in the affected part of the colon (have trouble relaxing to have BM). MAJOR hallmark sign is absence of that first stool as newborn, called meconium. Congenital disord...

NR 322 Nursing of Children: Exam Three Study Guide