細動 さいどう Meanings Noun fibrillation Kanji 細 fine. Read as サイ. 動 move. Read as ドウ. Words containing 細動 心房細動 (しんぼうさいどう) atrial fibrillation 心室細動 (しんしつさいどう) ventricular fibrillation 細動脈 (さいどうみゃく) arteriole And 5 more. Jinuma: Japanese Dictionary · Word lists