DAVID G. GHRIST, M.D.
Careful studies of the normal circulatory response to uninterrupted changes of posture from recumbency to standing have been previously reported4,5,6. Following Ghrist and Brown's report of a step-like fall of both systolic and diastolic blood pressure, with associated faintness or syncope on passive, interrupted change of posture from recumbency to standing in one case of postural hypotension with syncope and in one case of proved Addison's disease, it was deemed advisable to repeat these fractional postural studies on groups of normal subjects and of patients. The following study of pulse rate, blood pressure and resultant symptoms from passive postural change,
GHRIST DG. Variations in Pulse and Blood Pressure With Interrupted Change of Posture*. Ann Intern Med. 1931;4:945–958. doi: 10.7326/0003-4819-4-8-945
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Published: Ann Intern Med. 1931;4(8):945-958.
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