Electrocardiogram!

Pip..pip..pip....peeepee...peeeeee

The most intriguing sound known..

With its curves moving up and down.

 P Q R S T...etc waves in it ..predict..

Repolarsing and depolarising of the ventricles and auricles that depict..

Pip..pip..pip..peeeep..pip....

The most intriguing sound known...

With its curves moving up and down.

But it's end of a life if it slows down!!