I am 68 years old and I am having trouble with my BP & pulse rate. My MD has me on Verapamil but my kidney MD changed it to nifedipine a few days ago. When I tried the new med, my BP and pulse started having problems. I quit taking the nifedipine and went back to verapamil, but this morning, I took my pulse & BP and it was 160/80, pulse 139, so I took a verapamil and rested and it reduced to 90/49, pulse 103. Now I am worried the BP is too low and pulse still too high. My MD is out of town. Should I go to the emergency room or shold I just consult another MD from the walk-in clinic?