PITTSBURGH — Trauma patients arriving at an emergency room here following a gunshot or knife wound may find themselves enrolled in a startling medical experiment. Surgeons will drain their blood and replace it with freezing salt water. Indeed, the medical center has been providing free bracelets to be worn by skittish citizens here who do not want to participate should they somehow wind up in the E.R. “This is ‘Star Wars’ stuff,” said Dr.

READ FULL ARTICLE Curated publisher From The New York Times