どうせいふせいみゃく 洞性不整脈 LinksSentence search for 洞性不整脈Sentence search for どうせいふせいみゃくKanji details for 洞, 性, 不, 整 and 脈Edit in JMdict Noun1. sinus arrhythmia; irregular heartbeatMedicine Discussions Log in to talk about this word.