急きゅう性せい冠かん症しょう候こう群ぐんMeaningsNoun1. acute coronary syndrome; ACSKanji used急hurry性nature (of a person)冠crown症medical condition候season群a pack (e.g. of dogs)Composed of急きゅう性せいacute (illness)No-adjective冠かんtraditional cap worn by Shinto clergy and courtiers; crown; diadem; coronet; best; peerless; first; counter for titlesNoun症しょう候こう群ぐんsyndromeNoun