A CT scan exposes your body to some radiation ... Here are radiation doses for common procedures if you get a scan with contrast, and then one without contrast: Belly and pelvis: 20 mSv, equal ...

This may include: switching to a clear liquid diet a few days before the procedure fasting ... from other items of concern on the scan. Some CT scans use a contrast dye to enhance specific areas ...

A CT scan is an outpatient procedure. It doesn’t involve much ... A healthcare professional will inject contrast dye into your arm with a thin tube. The tube will remain there throughout the ...

A CT examination may sometimes involve the injection of an intravenous contrast ... CT scans), chest and limbs, the pelvic region is not in the direct beam and the dose to the unborn child can be very ...

[2] Noncontrast CT in the emergency diagnosis of appendicitis is attractive for several reasons. Administration of oral contrast consumes valuable time in today's fast-paced and overcrowded ED.

That's changing with the advent of new imaging technology: CT scans ... defibrillator. The contrast medium is not iodine-based, so there are no allergy problems. The MRI scan requires that ...

The effective dose to the patient from a typical PET/CT examination may be in the range of 5-18 mSv. If the procedure is justified and is expected ... Following injection of radioactive material and ...