Hi, Bonnie, I've noticed that you had submitted another question at https://qa.healthtopquestions.com/73939/year-blood-pressure-this-there-problem.
It would make it easier for others to understand your condition if all the information is gathered at the same page. So, I'll add some info here, if you don't mind.
Age: 76 year old
Blood pressure this AM: 111/63
Your BP is normal. Your heart rate is low. Normal heart rate is 60-100bpm. You should have an EKG test and see if you need to see a cardiologist.
During the course of taking the medicine, you need to monitor your blood pressure after taking the medicine. Your blood pressure is normal when you are not taking the medicine. Your heart rate is slower than normal (60-100). What are the antihypertensive drugs you usually take? β-R blockers can slow heart rates.