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.
A. Whilst it is common not to have a bowel motion for a few days after delivery, many women find that constipation is a problem in the early days. This can be due to a number of factors e.g. fear of going to the toilet if you have stiches.. Whilst it is common not to have a bowel motion for a few days after delivery, many women find that constipation is a problem in the early days. This can be due to a number of factors e.g. fear of going to the toilet if you have stiches.