BP will also vary whether you are sitting or standing, what you ate or drank an hour before, time of day, etc. whether you use your right or left arm will also give you a dfferent number. pharmacy machines are notorious for variations, as are home machines.
for me, I always check my blood pressure twice, five minutes apart. even at my MD's office, the blood pressure machine that the nurse uses before you go into an exam room is higher than the results in the exam room.
for me, I always check my blood pressure twice, five minutes apart. even at my MD's office, the blood pressure machine that the nurse uses before you go into an exam room is higher than the results in the exam room.