To measure your blood pressure, your doctor or nurse will use some type of a gauge, a stethoscope (or electronic sensor), and a blood pressure cuff. Most often, you will sit or lie down with the cuff around your arm as your doctor or nurse checks your blood pressure. If he or she doesn't tell you what your blood pressure numbers are, you should ask.
Our hearts are vital pumps. Just like any pump they work best at the pressures for which they are designed. But unlike most mechanical pumps, the heart does adapt to working under pressures for which it was not necessarily designed. It does this by thickening to accomplish work at a higher pressure, just as other muscles in our body thicken when…