The selective nature of the drug makes it preferable to other stress agents such as adenosine, which are less selective and therefore cause more side-effects. Regadenoson was approved by the United States Food and Drug Administration on April 10, 2008 and is marketed by Astellas Pharma under the tradename Lexiscan.
Human capital flight, sometimes called brain drain, refers to the emigration of intelligent, well-educated individuals for better pay or conditions, causing their places of origin to lose skilled people, or brains..
Dictionary entry overview: What does drain mean? â¢ DRAIN (noun) The noun DRAIN has 4 senses: 1. emptying something accomplished by allowing liquid to run out of it 2. tube inserted into a body cavity (as during surgery) to remove unwanted material 3. a pipe through which liquid is carried away 4. a gradual depletion of energy or resources Familiarity information: DRAIN used as a noun is uncommon. â¢ DRAIN (verb) The verb DRAIN has 4 senses: 1. flow off gradually