People are able to hear not only the sound of their own heartbeats when highly stressed, but also the sound of blood flowing in their veins.
Elvin had heard that when Western cowboys dueled, they would turn to face their opponent at the last step after walking back to back, and in the instant they turned around to draw their guns and shoot, they experienced this sensation.
It was as if time slowed down and their eyesight sharpened, allowing them to see every move of the other person, including the slight trembling of their fingers, as well as the shifting of their weight to ensure a stable shooting stance—all in slow motion.
They would hear their own heartbeats echoing in their ears—thump... thump.
And the sound of blood running through their veins like a babbling brook!
He had heard of it but didn't believe it.