GASTROENTEROPATHOLOGY

Reversal of flow
- GERD
- vomiting

hemorrhoids

stones
- cholelithiasis
- gastrolith

disturbance in motility function
- hirschprung disease
- achalasia cardia
- gastroparesis

disturbance in absorptive function
- tropical sprue
- celiac sprue
- iron deficiency anemia
- vitamin deficiency anemia
- amino acid deficiency
- malabsorption syndrome

Abnormal narrowing or stenosis
- Mesenteric ischemia
- biliary tract stenosis
- congenital hypertrophic pyloric stenosis

abnormal passage
- rectovaginal fistula
- abnormal dilatation
- meckel's diverticulum

injuries
- mallory weiss tears
- Esophageal perforation

ulcer
- ulcerative colitis
- regional enteritis or crohn disease
- duodenal ulcer
- peptic ulcer

Abnormal organ position
- rectal prolapse
- intususscpeetion
- diaphragmatic hernia
- incisional hernia
- strangulated hernia
- sliding hernia