Sorry, but you don't get off that easy when your design is intended to make life and death decisions. I work on FDA regulated medical devices and we have to do

Sorry, but you don't get off that easy when your design is intended to make life and death decisions. I work on FDA regulated medical devices and we have to do our best to anticipate every silly thing a user can (will) do. In this case, the software must be able to recognize that it is operating out of spec and put a stop to it.