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Introduction: The triglyceride-glucose index (TgG) was first used as an important biomarker of insulin resistance. ln[fasting triglyceride value x fasting glucose value/2] is the formula used to calculate TgG. The exercise stress test shows changes in heart rhythm and blood pressure at different stages. Heart rate recovery (HRR) is how quickly your heart returns to normal after you stop exercising. It is the difference between your heart rate at its maximum in the treadmill and heart rate at one or three minutes later while at rest. The aim of the study was to observe how an increase in TgG changes HRR and blood pressure values. Method: The research project was a prospective study including 98 patients. The examined parameters in the exercise stress test and calculated TgG data were obtained from Bezmialem Vakıf University Hospital. Results: Correlation coefficient of TgG with HRR at 1 min, at 3 min, peak systolic pressure, and peak diastolic pressure is (-0.32/-0.46/0.03/0.07) respectively. The mean values of HRR in 3 min were 55.9 and 61.3 in coronary artery disease (CAD) patients and non-CAD patients (p=0.046). In patients with CAD first (Q1), second (Q2), third (Q3) quartiles are (50/57/61.7) at HRR in 3 min, whereas the distinctly non-CAD patient quartiles are (54.2/61/68). The mean TgG value of CAD patients is 9.17 and 8.89 in non-CAD patients (p=0.05) Conclusion: TgG and HRR are slightly inversely proportional to 1 min and moderately inversely proportional to 3 min. There was no significant correlation between TgG levels and blood pressure. CAD patients have greater mean TgG values, and their HRR values tend to be longer compared with non-CAD patients. [ABSTRACT FROM AUTHOR]