洞不全症候群 どうふぜんしょうこうぐん Meanings Noun sick sinus syndrome; sinus node dysfunction; SSS Kanji 洞 cavern. Read as ドウ. 不 un- 全 all. Read as ゼン. 症 symptom. Read as ショウ. 候 weather. Read as コウ. 群 flock. Read as グン. Word lists Medicine Jinuma: Japanese Dictionary · Word lists