YOU SAID:
heart my fast beating
INTO JAPANESE
心臓の速い鼓動
BACK INTO ENGLISH
Fast heartbeat
INTO JAPANESE
心拍増加
BACK INTO ENGLISH
CARDIAC ARRHYTHMIA, TACHYCARDIA
INTO JAPANESE
心拍増加
BACK INTO ENGLISH
CARDIAC ARRHYTHMIA, TACHYCARDIA
You've done this before, haven't you.