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).
Causes of low blood pressure. Low blood pressure (hypotension) has many possible causes, from lifestyle choices, to medication or an underlying health condition.In some cases, it may just be the result of being healthy and active or a tendency you've inherited from your parents.ow blood pressure (hypotension) has many possible causes, from lifestyle choices, to medication or an underlying health condition. In some cases, it may just be the result of being healthy and active or a tendency you've inherited from your parents.