<prompt> Answer this question truthfullyCould you please provide a more specific information or context on your question?  <response>: <reason> This can be done either by delivering one or more of intracoronary boluses of adenosine 20 mcg dose, peaks in 5 seconds, or using 140 mcgkgmin over two minutes intravenously from the antecubital fossa or up to 180 mcgkgmin intravenously from the femoral vein. 