The name Noreen is an Irish baby name. In Irish the meaning of the name Noreen is: light; honor. American Meaning: The name Noreen is an American baby name. In American the meaning of the name Noreen is: light; honor.
The two most common medications used to sedate patients for medical procedures are midazolam and fentanyl. Fentanyl is a medication classified as an opioid narcotic analgesic (pain reliever) that is 50 to 100 times more potent than morphine.
Morphine is converted by hepatic metabolism to normorphine with a half-life of 2 to 4 hours. The presence of morphine in urine can indicate exposure to morphine, heroin, or codeine within 2 to 3 days.