A cyberattack on a major American hospital system has caused dangerous medication mix ups including patients administered narcotics by mistake, leading to an admission to intensive care for life-threatening breathing difficulties. In another case, a female patient suffered a cardiac arrest and died after data mishaps delayed test results that would determine her life-saving treatment. Elsewhere, a nurse working for the Kansas branch of the major medical group recalled a 'near miss,' which involved him almost administering a potentially life-threatening dose of narcotic to a baby — because of false paperwork. Employees at Ascension, a Catholic healthcare system with more...