Why the study?
While baseline high-sensitivity cardiac troponin concentrations can identify patients at high risk for acute MI, the relationship between baseline concentrations and positive predictive values for acute MI required evaluation.
What is the positive predictive value of baseline high-sensitivity cardiac troponin I concentrations for acute myocardial infarction in emergency department patients?
What is the positive predictive value of baseline high-sensitivity cardiac troponin I concentrations for acute myocardial infarction in emergency department patients?
A single baseline hs-cTnI measurement >200 ng/L identifies emergency department patients at high risk for acute MI, though serial testing remains important for definitive diagnosis.
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Baseline hs-cTnI may refine ED MI risk stratification; hypothesis-generating and requires prospective validation before practice change.
Sandoval et al. (2020) studied this question.
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