[header] How to control an adrenaline rush [title] Employ deep breathing. [step] Deep breathing exercises, which is also called pranayama, can naturally help dissolve tension and help you relax. Do a few deep breathing exercises to help yourself relax and refocus yourself as well as alleviate other symptoms of an adrenaline rush. 
[substeps] Deep breathing can help your body distribute oxygen to your body, which can reduce heart rate and normalize your pulse. It will also help relax tense muscles that may be exacerbating the adrenaline rush.