It is possible to liken a situation wherein life endangerment overrides the Sabbath to one in which a positive commandment overrides a negative one. Nothing prohibits one from entering a situation where a positive commandment overrides a negative one.
A Spiritual Introduction to Seder Nezikim (Order of Damages)
As is our custom before beginning to learn a new tractate, we concentrate on the spiritual aspect that lies behind that tractate. The new tractate we will be learning this time is - Seder Nizikim.