* Baseline vs. 5 minutes; p <0.05; §; 5 minutes vs. RER > 1.0; p <0.05
HR – heart rate; S’ – systolic velocity; E’ – diastolic velocity; LVEF – left ventricular ejection fraction; EDV – end diastolic volume; ESV- end systolic volume; GLS – global longitudinal strain; SV – stroke volume
Table 3: Correlations between V02 measures of myocardial function throughout exercise