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> EKG showed no sign of heart attack

What about troponin? I was told by a Dr that it's more accurate than an EKG.

Edit: I had the word tryptophan before.

Did you mean Troponin? Troponin shows up in the blood when there's been damage to heart muscle.

Yes I meant that! I spelled it wrong on Google, then copy/pasted the wrong word from the suggested replacement.

It’s only if heart muscle dies does that show up, you can have an important artery narrow without symptoms until suddenly a bit of plaque breaks off completely blocking a path causing bits of muscle to actually die.

What I was told in the ER is that troponin basically only shows up when there's been heart muscle damage so is a pretty clear sign. It doesn't show up immediately though - typically a rise within a few hours of the heart attack.

RE: EKGs. There are clear signs in the more detailed 12 lead EKG that can show irregularities in the electrical patterns and specifically help pinpoint the location of the active problem.

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