1, 2 It contains all normal layers of the intestinal wall and, in approximately 50 percent of cases, contains tissue from other sites (ectopic tissue). 2 This ectopic, or heterotopic, tissue can often be the cause of complications occurring in Meckel's diverticulum. Meckel's diverticulum occurs in about 2 percent of the population, making it the most prevalent congenital abnormality of the gastrointestinal tract.
A common helium-filled latex balloon lasts from about 12 hours up to two days. However, the size, type of material, and presence of a sealant all affect the balloon's lifespan. The treatment and level of activity to which the balloon is subjected also affects how long it floats.
Helium Balloon Chart-How many balloons will a tank of helium fill? Approximate Cylinder Height Approximate Cylinder Weight Cubic Feet of Gas Will Inflate No. 9 Balloons Will Inflate No. 11 Balloons Will Inflate No. 14 Balloons 56 110 lbs. 244 800 430 215 48 70 lbs. 110 350 210 105 25 25 lbs.