There can be many possible causes for pain on the right side of the chest. In fact, it's one of the most common reasons people visit the emergency room, says Dr. Stephen Keithahn, an internist at the ...

Is right-side chest pain a big deal? If you have chest pain on your left side, you know to pay attention. After all, that’s where your heart is, so you might worry you’re having a heart attack.

Does chest pain on the left side mean a heart attack? Who hasn’t seen an actor on TV or in a movie fall to their knees clutching the left side of their chest, clearly in pain and in distress? The ...