A dialysis system comprising: a dialysis machine； a communication module configured to communicate using a short-range wireless technology protocol； data storage configured to store data corresponding to identities of one or more short-range wireless devices； and a processor configured to: identify presence of a short-range wireless device； and cause the dialysis machine to carry out an action when one or both of i) the presence of the short-range wireless device is identified, and ii) the presence of the short-range wireless device is no longer identified.
