my ecg showed some abnormality and hence i was recommended echo and tmt test. my results are target hr-186, max hr-178 (95%), max sbp 130, max dbp-80, hrr-16, total exercise time-1.21, max METS-10.2, Max VO2-35.7. My doctor has remarked that good effort. negative for RMI. what does mean, is it normal.