Obstruction, Small Bowel at eMedicine
Obstruction, LargeBowel at eMedicine … Proximal obstruction of the largebowel may present as small bowelobstruction. … Largebowelobstruction – the most prominent etiologic factor for LBO is neoplasms, accounting to 60% of obstructions in the large intestine.
Colonic volvulus is one of the major causes of largebowelobstruction after diverticulitis and cancer; this is based on the figures available from the US government. … Symptoms: Infants with volvulus would experience signs and symptoms similar to bowelobstruction. … This is known as a closed loop obstruction because there exists an isolated ("closed") loop of bowel.
Sigmoid volvulus (SV) is referred to as twisting of the sigmoid colon which results in largebowelobstruction. … About 50% of the colon obstruction cases reported in Asian countries result from SV whereas in North America, SV is the third leading cause of bowelobstruction. … Long term constipation is one of the factors that lead to the development of redundant colon which ultimately causes bowelobstruction.
Lower GI endoscopy, performed when an empty rectal vault and a distended proximal colon suggest the presence of a largebowelobstruction. … This can easily turn in bowelobstruction, when the fecal mass entirely blocks it, and when this stage occurs, FI might become life-threatening if left untreated. … The imaging techniques allow to precisely localize the fecal mass and its dimensions and differentiate fecal impaction from bowelobstruction and other types of constipation … 
This segment may further dilate because gases cannot escape towards adjacent parts of the bowel and this dilation adds to vessel strangulation. … Furthermore, the intestinal tract should not be burdened by a few large meals, but rather be relieved by several small portions. … Because 20% is a rather large share of the population but CV is a very rare condition, other factors probably affect the individual risk for CV.
Excessive ear wax can also cause hearing loss due to obstruction of the outer ear canal. … These airway changes lead to obstructive sleep apnea in around half of those with Down syndrome. … Findings that indicate increased risk when seen at 14 to 24 weeks of gestation include a small or no nasal bone, large ventricles, nuchal fold thickness, and an abnormal right …