Many of us have had our blood pressure taken at the doctor’s office and were surprised when it turned out to be higher than we expected it to be. If this has happened to you, you may be experiencing something known as “white-coat hypertension,” meaning a higher than warranted reading during a medical appointment. Doctors say one of the best ways to ensure you do not have elevated blood pressure, is to take your blood pressure at home a number of times. You may also be asked by your healthcare provider to track your blood pressure to see if you should be put on medication or adjust medication to reach a target number. It is important to do it correctly to ensure readings are accurate. Experts say start by buying a validated monitor and do not buy one that uses the finger or wrist as they are not as accurate as upper-arm cuffs. If you have a much smaller or larger upper-arm, look for one appropriately sized. Other things to consider are to not take your blood pressure when you are stress...