Israel’s Sensible Medical has developed a radar-based system that continuously monitors a patient’s lung fluid levels to prevent deterioration. It has already in operation in four Italian hospitals and a US hospital has bought 20 units. Israel is also about to adopt it.
https://www.youtube.com/watch?v=I8v1GKdeKa0
https://www.calcalistech.com/ctech/articles/0,7340,L-3804703,00.html