When someone goes into cardiac arrest, "the chance of survival decreases about 10 percent with each minute," said Adele Peters at Fast Company​. Time is of the essence. Recognizing that the patient has actually entered cardiac arrest — the first step in treatment — is difficult, particularly if the symptoms are being "relayed by a panicked friend or relative." In Denmark, emergency dispatchers "now have help from AI."

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When someone calls for an ambulance, an AI assistant called Corti transcribes the conversation, using machine learning "to analyze the words and other clues in the background," like someone gasping for breath, that point to a heart attack diagnosis. "The dispatcher gets alerts from the bot in real time." The technology, soon available in the U.S., "is an example of how artificial intelligence can supplement, not replace, humans."