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Causes of intestinal obstruction - Coggle Diagram
Causes of intestinal obstruction
Dynamic
Intraluminal
Fecal impaction
Foreign bodies
Gallstone ileus
Bezoars, hair, seeds
Parasites
Intramural
Strictures
Malignancy (including lymphoma)
Intussusception
Volvulus or rotation
Extraluminal
Bands, adhesions
(70% of postoperative intestinal obstruction is due to adhesions)
Surgeries
Truama
Ischemia
Infection (e.g. peritonitis)
Crohn's disease
Radiation enteritis
Hernia
External tumors
Adynamic (paralytic ileus [absent peristalsis] or pseudo-obstruction [non-propulsive peristalsis])
Postoperative (normally lasts for 6-24 hours)
Trauma
Neurogenic as spinal cord injury
Mesenteric ischemia
Drugs (e.g. opiates, anticholinergics, antihistamines)
Metabolic disturbances (e.g. hypokalemia, hypothyroidism, Ca or Mg imbalance, uremia, hyperglycemia)
Retroperitoneal process or surgery (e.g. colic)
Intra-abdominal or distant infection