Orthostatic Hypotension

  • Hyun-Yoon Ko


According to the American Autonomic Society and the American Academy of Neurology, orthostatic hypotension is defined as a decrease in systolic blood pressure of at least 20 mmHg or a decrease in diastolic blood pressure of at least 10 mmHg for the first 3 min of the upright position or a head-up tilt on a tilt table. It does not matter whether symptoms develop. In general, patients who cannot stand or sit are defined as orthostatic hypotensive when the systolic blood pressure falls below 20 mmHg or the diastolic blood pressure falls below 10 mmHg within 3 min with a tilt angle of 60° on the tilt table. Orthostatic hypotension is diagnosed within 1 min after tilting or standing at 60°. Two minutes are required to determine the severity of orthostatic hypotension by observing the additional decrease in blood pressure. Orthostatic hypotension is rarely seen after 3 min.


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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Hyun-Yoon Ko
    • 1
  1. 1.Department of Rehabilitation MedicineRehabilitation Hospital, Pusan National University Yangsan Hospital, Pusan National University School of MedicineYangsanSouth Korea

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