I'd wondered about that, but since there are no other symptoms, I would have thought that it would have regained its shape. The Rivetess is your age and certainly has raised blood vessels on the back of her hand and a mother that had a serious heart problem at about 50.
When I compare the left with the right wrist, there is now just a hint of a pulse on the left, and loud and clear on the right.
She's not too sure about the results of the arm band machine, we're going to borrow it again tonight so will post again later.