LAE (moderately abnormal ecg) It is?

She is 52 years old and no bp , no sugar, but she is has full tension her height is around 4.11ft. and wt. 62kg.she is a primary government teacher. From last 1 month she had pain in left sholder to down till arm. She taken ecg and it revealed that Left atrial enlargement and moderately abnormal ecg (ecg attached) In the year 2007 she met with an accident and  undervent brain surgery due to blood clots in the brain, and few times she get sezuires in brain that time she can't speak but can understand everything and gives signals and that time she had heavy pain in brain, sezuires interval is 1in a month or nothing. it lasts for  5min to 8min. We are going to take 2 D eco also, by looking into this ecg is there really any serious problem? and how severity it is? Doctor please help with this.