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：如果你偶尔感觉到胸部/心脏区域的剧烈疼痛，但很快就会消失，这可能是不具威胁性的 "心前区捕捉综合症"，你应该深呼吸，使其停止。