Sometimes a contrast dye is used as it shows up clearer on the screen. A quality CT scan of the leg will use multiple x-rays to make cross sectional pictures of the leg. Reasons for a Leg CT scan: CT scans are used for a multitude of reasons. They may be done to check for certain cancers in various different ways including to detect abnormal tumors, growths or lumps. They also identify the location of tumors, the stage of cancer, and where to perform a biopsy.
Fasting is primarily a movement of willing abstinence or reduction from certain or all food, drink, or both, for a period of time. An absolute fast is normally defined as abstinence from all food and liquid for a defined period, usually a period of 24 hours, or a number of days. Other fasts may be only partially restrictive, limiting particular foods or substances. The fast may also be intermittent in nature.
home / diabetes center / medterms medical dictionary a-z list / fasting blood glucose definition Medical Definition of Fasting blood glucose Fasting blood glucose: A test to determine how much glucose (sugar) is in a blood sample after an overnight fast. The fasting blood glucose test is commonly used to detect diabetes mellitus. A blood sample is taken in a lab, physician's office, or hospital. The test is done in the morning, before the person has eaten. The normal range for blood glucose is 70 to 100 mg/dl. Levels between 100 and 126 mg/dl are referred to as impaired fasting glucose or pre-diabetes. Diabetes is typically diagnosed when fasting blood glucose levels are 126 mg/dl or higher.