GI MOTILITY DISORDERS PART 2

Jackie Wood PhD

Professor, Department of Physiology and Cell Biology

GI MOTILITY DISORDERS PART 2

TOPICS• Small Intestine• Large Intestine• Pelvic Floor

GI MOTILITY DISORDERS PART 2

Small Intestinal Motility

Objectives – Small Intestinal Motility

Enteric Nervous System in the Small Bowel has “APPS” for five kinds of motor behavior

An Abnormal Power Propulsionis running pathologic states with cramping abdominal pain fecal urgency and acute watery diarrhea

An Orally Directed Power Propulsion APPis running during emesis

Obstructive Ileus and Paralytic Ileus

Causes• Narrowed lumen• Closed lumen

Characteristics• Strong propulsive circular muscle contractions

Symptoms• Severe abdominal pain• Abdominal distention

Obstructive Ileus

Causes• Sequelae labarotomy (postoperative ileus)• Peritonitis• Metabolic dysregulation (diabetic ketoacidosis)

Characteristics• Propulsive circular muscle contractions diminished or absent

Symptoms• Severe abdominal pain• Abdominal distention

Paralytic Ileus

Wood 2156

are forms of Pathologic Ileus

GI MOTILITY DISORDERS PART 2

Large Intestinal Motility

Objective – Large Intestinal Motility

Describe• the pathophysiology of Hirschsprung’s Disease

An APP in the ENS of the ColonPrograms The Musculature for Formation of Haustra

Radioopague Sitz Markers

Sitz (Plastic) Markers

Used to Diagnose Slow Transit Constipation

HIRSCHSPRUNG DISEASE

HIRSCHSPRUNG DISEASE

GI MOTILITY DISORDERS PART 2

Pelvic Floor

Objective - Pelvic Floor

Pelvic Floor

Pelvic Floor

Pelvic Floor

Pelvic Floor

Motility Disorders Part2 Quiz

Thank you for completing this module

Questions? Contact me at:

Jackie.Wood@osumc.edu

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