How to Lower Your Heart Rate When It's Above 120+bpm

Listening to a meditation, deep breathing, Gatorade

In a serious pinch, I put my hands on my head, lean on something, and stand on my toes to force my legs to tense up. That usually brings it down temporarily until I can find a place to sit. I usually follow that with chugging electrolytes

Try laying down and taking deep breaths.