question: sir my mother age 55 y ,she is BP patient and take daily Tab. Amloppress -AT, from 3 years , her ECG repot is heart beat rate 53,pr 164,qr 74,qt 424 qtc 398, p 54,qrs 27 t 41,sir, last few days she meet a docter ,he said that you should chang ur tablet,your heart beat is low,sir that is right or wrong ?