hi i am 52yrs old . i suffer from hypertension but after changing medication it is finally ok. On average it reads 115/ 85 for the past month. Previously i suffer with uncontrolled hypertension. The systolic use to be ok around 140 but the diastolic ranging 98 to 105.In Nov 2013 was hospitalised and an echogram was done which indicated the left atrium was enlarge. i exercise walk for 30mins and all is ok. No shortness of breatheither. However about 2 weeks sometimes have been having a burning on the left side of my chest.I also suffer with my stomach, had deuodenal ulcer about 24 yrs ago.present medication are:Plendil 10mg once a day Atenonol 50mg twice a day Lisinopril 10mg once in the evening Bezide 2.5mg once in the morning Omeprazole 20mg in the morning Could you advise on this matter