FLORENCE TERRY GRISWOLD. What followings is an excerpt from The Pan American Round Table, Lois Terry Marchbanks, Avon Behren Press, 1983, (pp. 5-11). The history of the Pan American Round Table movement is the saga of the heart and mind of one woman, Florence Terry Griswold. She was born May 29, 1875, near Eagle Pass, Texas.
Following is a list of causes or underlying conditions (see also Misdiagnosis of underlying causes of Orthostatic hypotension) that could possibly cause Orthostatic hypotension includes: 1  Dysautonomia. 2  Dehydration. 3  Prolonged bed rest.  Addison's 1  disease. Atherosclerosis. 2  Diabetes. Shy-Drager syndrome.  See also underlying causes of hypotension.
In addition, dehydration, diabetes, and certain heart problems like arrhythmias can cause low blood pressure. One specific type of low blood pressure is orthostatic hypotension. It occurs following a sudden change in body position, most often from lying down to standing, although sometimes sitting up after lying down, or just bending over to pick something off the floor while standing can trigger it.