No? What use would that have? Even if it were useful, you can already feel your heart beat if you are concentrating on it. Even if you lacked this ability you

No? What use would that have? Even if it were useful, you can already feel your heart beat if you are concentrating on it. Even if you lacked this ability you can feel, at least, changes in your heart rate. Even if you couldn't do either of those things you could just wear a heart rate monitor, they are cheap and readily available and have no side effects.