Measuring Width. 1  1. Move the refrigerator. To get many of the right measurements, you should move the refrigerator to allow access to the space. 2  2. Measure the space of the opening. It might be tempting to measure the size of your current refrigerator. 3  3. Use a retractable measuring tape. Place one end against the wall.  4. Repeat the measurement.
Blood pressure varies from one person to another. A drop as little as 20 mmHg, can cause problems for some people. There are different types and causes of low blood pressure. Severe hypotension can be caused by sudden loss of blood (shock), severe infection, heart attack, or severe allergic reaction (anaphylaxis).Orthostatic hypotension is caused by a sudden change in body position. drop as little as 20 mmHg, can cause problems for some people. There are different types and causes of low blood pressure. Severe hypotension can be caused by sudden loss of blood (shock), severe infection, heart attack, or severe allergic reaction (anaphylaxis).
1 People with high blood pressure, or hypertension, are at risk for organ damage (kidney, and heart especially), in the long term. 2  Most people with high blood pressure do not have any symptoms. 3  High blood pressure over a long period of time potentially causes extra stress on your heart muscle.hings you can do to manage hypotension: 1  If you have low blood pressure, changes in position must be performed slowly. 2  Rest for a few minutes in between lying, sitting and standing. 3  Avoid hot environments, such as a shower or a bath, which may cause your blood pressure to be reduced.