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.
The authors defined orthostatic hypotension as a 20 mmHg or greater drop in systolic blood pressure or a dip of at least 10 mmHg in diastolic pressure. Those who had a history or symptoms of atrial fibrillation at baseline were excluded from the study.