This is a truly sobering report and points to the need for focused planning and preparation when considering cyber threats in critical industries.  Hospitals can be viewed as microcosms of a larger threat.  If critical infrastructure was significantly hampered due to an attack and the response was slow or inadequate, we could see injury and death on a truly massive scale at the local, regional or even national level.

https://www.darkreading.com/endpoint/privacy/fixing-hacks-has-deadly-impact-on-hospitals/d/d-id/1331386