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Graph compares hs-cTnT (high-sensitivity cardiac troponin T) levels (mean) and 95% confidence intervals in patients with and without ischemic heart disease (IHD). The mean level of hs-cTnT began decreasing approximately 20 hours after the onset of tachycardia in the IHD-negative group, but it continued to increase in the IHD-positive group, peaking within 36 hours of the onset of tachycardia.
