[{"word":"arrhythmia","phonetic":"/eɪˈɹɪðmɪə/","phonetics":[{"text":"/eɪˈɹɪðmɪə/","audio":""}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"An irregular heartbeat.","synonyms":[],"antonyms":[]},{"definition":"A disease entity involving such beats, such as atrial fibrillation, ventricular tachycardia, AV nodal reentrant tachycardia, or others.","synonyms":[],"antonyms":[]}],"synonyms":["dysrhythmia"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/arrhythmia"]}]