Any piece of program code in a high-level language which, when (if) its execution terminates, returns a value. In most programming languages, expressions consist of constants, variables, operators, functions, and parentheses. The operators and functions may be built-in or user defined.
If oral contrast is required, about 45 to 60 minutes is needed for the contrast to move through your digestive tract. Actual scan times vary from a few seconds to several minutes. If no oral contrast is required, the examination will take about 15 to 30 minutes, including the time for intravenous preparation and interview. In some cases additional scanning is required as scans are tailored to suit individual diagnostic needs.
How long does lisinopril stay in your system? Lisinopril remains active in the body for 24 hours, states Drugs.com. The drug has a half-life of 12 hours, meaning that half of the dose is absorbed in the first 12 hours after it is taken. The drug is eliminated from the body in urine.