The authors aimed to prove that an increase in high-sensitivity Troponin (hsTnT) levels correlates with the corrected QT (QTc) interval measured during a standard 12-lead ECG. From the literature, we know that various drugs, stress, psychological states, and diseases prolong or lengthen the QT interval. The QTc interval, calculated according to the frequency, provides a more accurate result and is used in clinical practice and certain research studies. The QTc interval can be calculated using several formulas, among which the Bazett formula, the oldest mathematical model, shows the most distorted result. This publication demonstrates and proves that higher troponin levels correlate with, and therefore prolong, the QTc interval, which has relevance in clinical practice.
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