my age is 26 and in my Ecg report the measurement are : qrs : 86 ms, qt/qtc : 334/465 ms, pr : 134 ms, p : 120ms, rr/pp : 514/510 ms, p/qrs/t : 53/32/19 deg. and the Interpretation are : sinus tachycardia, low voltage QRS, Borderline ECG. Is this a normal????