Bowel Obstruction

Question 1

Bowel Obstruction

Answer 1

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

Question 2

Types of obstructions

Answer 2

Mechanical
Non-mechanical
Pseudo-mechanical

Question 3

Patho

Answer 3

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

Question 4

Clinical Manifestations

Answer 4

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

Question 5

Examination Order

Answer 5

Inspection
Auscultation
Percussion
Palpation

Question 6

Diagnosis

Answer 6

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

Question 7

Collaborative Care

Answer 7

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