略語大辞典 [Med] 25 APB atrial premature beat 心房期外収縮. 早期に現れる心臓の拍動.atrial premature beat; or AEB(atrial ectopic beat); or AEC(atrial ectopic contraction); or APC(atrial premature contraction); a heart disorder; an common finding on ambulatory recordings; ref. AT(atrial tachycardia); ref. AFL(atria 丸善「略語大辞典」JLogosID : 11865936