Brennan said that Desperate Measures can be used to grant heroic inspiration to another character, allowing a reroll of "any d20 contest".
Death saves qualify. You could, in your dying moments, choose not to stabilize yourself but to inspire another character who is also dying, granting advantage on their death save.
With how the campaign has gone so far, I bet we'll get to see that play out for someone. It'd be beautifully heartbreaking.













