Toxic megacolon is a serious condition characterized by swelling and dilation of the large intestine due to inflammation of the intestinal wall and accumulation of excessive amounts of gas.It primarily occurs in association with a severe attack of inflammatory bowel diseaseâeither ulcerative colitis or Crohnâs disease.ymptoms of Toxic Megacolon. 1  Acute illness most often preceded by increased intensity of ulcerative colitis or Crohnâs disease symptoms, which include abdominal pain, diarrhea possibly leading to dehydration and blood in the stool. 2  Abdominal distension, pain and tenderness. 3  High fever.
Fid. A wooden pin, usually only a few inches long, tapered to a point and used to separate the strands of small rope. A marlinespike is generally much heavier, often of metal, and used on steel cable and larger rope.id. A wooden pin, usually only a few inches long, tapered to a point and used to separate the strands of small rope. A marlinespike is generally much heavier, often of metal, and used on steel cable and larger rope.
Ionization detection methods include flame ionization detection (FID) and, among others, electron-capture, photoionization, and thermionic-specific â also called nitrogenâphosphorus â detection.