I done ecg and that time iam very anxious ,and my HR at homes normal,except sinus tachardia is it any reason to worry sir /madam please reply iam going to attach ecg and echo report ,ihave left side chest back and pain in lumbar and spine area and sometime oain in also in left hand and left leg and feeling tenderness in the back ,pleade sir look at my ecg and tell that except sinus tachardia is it anything to worry