My mother has BP which was diagnosed in 2011 and was taking stamlo 5mg in night and Telma H in morning now she is 61 years old and we took health check up..doctor told ecg has slight variation and asked to take echo.seeing the echo report she told heart is functioning well but has mild grade 1 DD and it is because of hypertension.doctor changed the tablet from Telma H to telista M T 40/25.Is it ok to take the tablet.In check up she had bp 130/80.No sugar or cholestrol.