http://www.google.com/search?q=wireless+vital+signs Plenty available if you have the money for wireless vital signs. All you need is to add alarms when vitals signs exceed parameters to send message to you.
http://www.shoesforcrews.com/sfc3/index.cfm?changeWebsite=US_en&route=inserts.QA/result_content.htm Shoes for Crews should be sold at a discount for all medical personnel because they virtually eliminate slip and fall accidents.