What Does An ECG Showing Sinus Rhythm With Premature Atrial Complexes, Poor R Wave Progression, And Nonspecific T Wave Abnormality Mean?

What does sinus rhythm with premature atrial complexes. RR pattern in V1 and V2 poor R wave progression Non specific T wave abnormality mean. Ventricular Rate: 84 Atrial Rate: 84 PR Interval 152 QRS Duration: 90 QT/QTc: 342/404ms P-R-T Axis: 47 : 45: 78 degrees