An analysis of ECG requires support of other wave segments, support from other tests, symptoms, etc. The ECG procedure as a low sensitivity and selectivity rating.
Electrocardiographic findings in restrictive cardiomyopathy and indicated by low voltage QRS complexes and conduction disturbance (abnormal T wave that represents irregular ventricular contractions).
MVP can be detected with a prolonged QT interval with the ECG and no report on that segment with your post. Usually, an ECG includes the possible underlying cause for an abnormal ECG.