Having GERD for past one year, diabetes for last 3 years.having anxiety many years.had chest pain, congestion, heart burn one year back, did echo and ecg it was normal.now I am having symptoms like stomach burning,dizzy feeling especially after and before good, mostly in the evening.feeling tired. recently I took echo and ecg, GP told it is fine, and the cardiologist who took echo also said, it is fine. But ef value is 78, is this normal ? Currently I am taking siddha medicine for GERD and diabetes