Waiting room

Your heart blood test, in plain words

What happens next

    What rules out a heart attack

      Often it turns out to be

      Why doctors trust troponin

      Rise after heart muscle injury, × the normal limit

      1 hshows up in blood
      7–14 dstays raised
      Heartonly, not other muscle
      Meet the molecule

      Troponin is three proteins that act as your heart’s on-off switch