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..
Synonyms: deplete, drain, exhaust, sap 1. These verbs mean to use up something important that is hard to replace. Deplete refers to gradually consuming something essential: Medical bills quickly depleted our savings. To drain is to draw down a resource or supply to a critical level: War often drains a nation's economy.