This link is a video that details how to simulate data for asthmatic patients with Visual Studio and send that ata to an Azure: Event Hub, Streaming Analytics Service, and ultimately Power BI.
“The Internet of Things (IoT) refers to the ever-growing network of physical objects that feature an IP Address for internet connectivity, and the communication that occurs between these objects and other Internet-enabled devices and systems.” -Webopedia.com
https://channel9.msdn.com/Blogs/mwilmot/Internet-of-Things-for-Heatlhcare-with-Azure-and-Power-BI