Nini Loomis, a registered nurse with almost two decades of experience, was tasked with testing a new Google-powered tool that uses artificial intelligence to analyze patient medical records. The technology is designed to generate a concise report that can be seamlessly handed from one caregiver to the next at the end of a shift.

But when Loomis scrutinized a readout on one of her patients, she spotted a glaring, potentially life-threatening omission: The software failed to note whether the person had any drug allergies.