YSK That if you occasionally feel a sharp pain in the chest/heart area that quickly goes away, it is probably the non-threatening "Precordial Catch Syndrome" and you should just take a deep breath to make it stop
from /r/YouShouldKnow
YSK：如果你偶爾感覺到胸部/心臟區域的劇烈疼痛，但很快就會消失，這可能是不具威脅性的 "心前區捕捉綜合症"，你應該深呼吸，使其停止。