Bowel Obstruction Flashcards Preview

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Flashcards in Bowel Obstruction Deck (7)
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1

Bowel Obstruction

Occurs when food or stool cannot move through intestines
In small intestines or in colon, partial or complete blocks
Most common: adhesions, hernias, cancers, certain medicines

2

Types of obstructions

Mechanical
Non-mechanical
Pseudo-mechanical

3

Patho

Accumulation of intestinal contents proximal to obstruction
Reduced fluid absorption and intestinal secretions
Increased capillary permeability
Third spacing

4

Clinical Manifestations

Colon: abdominal distention, new onset constipation and lack of flatus
SBO: colicky abdominal pain, N/V, abdominal distention
Later signs: decreased flatus and constipation

5

Examination Order

Inspection
Auscultation
Percussion
Palpation

6

Diagnosis

H&P Exam
Imaging
Endoscopy
Lab Studies (CBC, Hb/Hct, CMP, electrolytes, creatinine)

7

Collaborative Care

NGT to suction: decompress stomach
IV fluid therapy
Corticosteroids- antiemetic and anti-inflammatory
Corrective surgery: partial/total colectomy w/ colostomy or ileostomy