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CK-MB Elevation Index (Post-CABG Infarction) Calculator

  • CK-MB Peak (U/L)
  • Upper Reference Limit (URL) of CK-MB (U/L)
  • CK-MB Elevation Index (Post-CABG Infarction): Explanation and Clinical Context
    The CK-MB Elevation Index is calculated by dividing the peak postoperative CK-MB value by the laboratory's upper reference limit (URL).
    It is used to estimate the likelihood of perioperative myocardial infarction following coronary artery bypass graft (CABG) surgery.
    A CK-MB index <3 is generally associated with low risk, 3–5 with intermediate risk, and >5 with high risk of postoperative myocardial infarction.
    This tool assists clinicians in early detection and risk stratification for post-CABG infarction, guiding timely intervention and patient management.

    Reference:
    Boden WE, et al. Perioperative CK-MB elevation and risk of myocardial infarction after CABG. Circulation. 2000;102:1733-1738. doi:10.1161/01.CIR.102.14.1733

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