Giving an overview of ultrasonography with IV imaging
DEAR DR. ROACH: My primary care physician scheduled me for a cardio stress test and ultrasonography with intravenous “microsphere” imaging. I’m slightly concerned about the term “microsphere.” Is this a safe procedure? Are there any complications stemming from this chemical/procedure? Should I be concerned about a stroke? How long do these microspheres stay in the body? Do they become a part of plaque? Are there other safer imaging methods? — K.O.S. ANSWER: Intravenous microbubble contrast agents are made from compressed gas that is contained in a phospholipid or protein, ...