as pressure, tightness, squeezing, or a heavy feeling in the center of the chest. This discomfort may come and go, rather than remaining constant, which sometimes leads people to dismiss it as minor.
2. Pain That Spreads to the Arm, Neck, or Jaw
Discomfort that radiates beyond the chest — particularly into the left arm, neck, jaw, or upper back — is a well-known warning sign. This happens because nerve pathways connected to the heart also relay signals to these surrounding areas, causing pain to be felt in unexpected places.
