Dear Doc, My mother age 50 is on thyroid medication Thyronorm 50, Physician found some ECG changes 2 time during follow up n suggested for TMT n Echo..now 2D Echo is absolutely normal with LVEF 65percent..but got TMT positive for inducible ischemia at moderate workload..she has symptoms / complaint for shortness of breath some time while climbing stairs...otherwise absolutely ok no chest pain complaint so far or history of Blood pressure or Diabetes...suggest future coarse of action...