Obstruction Module Flashcards
symptoms of GI obstruction in the esophagus
- dysphagia
symptoms of GI obstruction in the stomach
where does obstruction generally occur
- nausea/vomiting
- pylorus
symptoms fo GI obstruction in the intestines
- vomiting
- bloating
- constipation
instrinsic causes of bowel obstruction
- neoplasm
- ulcers
- stenoses
- foreign bodies
extrinsic causes of bowel obstruction
- adhesions
- pancreatitis
- extrinsic neoplasms
- endometriosis
additional etiologies of bowel obstruction
- hernias
- intussusception
- volvulus
what is invagination of one part of the bowel into another part of the bowel
- intussusception
causes of intussusception in children
- viral infections
- rotavirus vaccinations
what to do with intussusception in adults
- look for the lead point
- rule out tumors
what do you see on CT or ultrasound with intussusception
- target sign
what is the twisting of a segment of gut around itself
- volvulus
most common locations for a volvulus in the GI tract
- sigmoid
- cecum
what can cause a volvulus
- long standing constipation
the central axis of the twist of a volvulus points towards what
- the origin of intussusception
what is pelvic floor dyssynergia
- the external anal sphincter contracts instead of relaxes when trying to defecate
