There are advancements made on a daily basis, with regards to medical implantable devices. Craig Young craigtweets BIO:

We will show how this allows us to detect compromised devices which might now be controlled by a remote attacker. In this talk, we exploit a commercially available smart fridge to evaluate its sensor capabilities and to demonstrate the potential for delivering kinetic cyber effects. Wave Type and names.

The first student walks fast and demonstrates the P-wave motion. DerbyCon 9. Chuang and Ping-Yu Kuei , Jan.