SF 6 is used as a contrast agent for ultrasound imaging. Sulfur hexafluoride microbubbles are administered in solution through injection into a peripheral vein. These microbubbles enhance the visibility of blood vessels to ultrasound.F 6 is used as a contrast agent for ultrasound imaging. Sulfur hexafluoride microbubbles are administered in solution through injection into a peripheral vein. These microbubbles enhance the visibility of blood vessels to ultrasound.
Once constipation (no bowel movement) has gone on for some time, the result can be what is known as an impacted bowel (sometimes called fecal impaction). Essentially, this means that a large lump of dry, hard stool is stuck inside your rectum.
It depends. After colon surgery, most patients have a bowel movement within 4-5 days. Although you may not have eaten food, your intestine still produces mucous and other material that allows you to have a bowel movement despite the lack of a steady diet. There is no ânormalâ when it comes to bowel movements.fter colon surgery, most patients have a bowel movement within 4-5 days. Although you may not have eaten food, your intestine still produces mucous and other material that allows you to have a bowel movement despite the lack of a steady diet. There is no ânormalâ when it comes to bowel movements.