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.
From Wikipedia, the free encyclopedia. Impaired fasting glucose (IFG), more commonly known as pre-diabetes refers to a condition in which the fasting blood glucose level is consistently elevated above what is considered normal levels; however, it is not high enough to be diagnosed as diabetes mellitus.mpaired fasting glucose is defined as a fasting glucose that is higher than the upper limit of normal, but not high enough to be classified as diabetes mellitus.