[{"word":"asystole","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"Absence of systole; failure of the heart to contract.","synonyms":[],"antonyms":[]}],"synonyms":["cardiac arrest","cardiopulmonary arrest","flatline"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/asystole"]}]