orthostatic

adj.

正立位置的，由正立位置引起的，直立的；

orthostatic hypotension [医]起立性低血压（等于postural hypotension）

Syndrome of orthostatic headaches and diffuse pachymeningeal gadolinium enhancement.
Chronic orthostatic intolerance: part of a spectrum of dysfunction in orthostatic cardiovascular homeostasis?
Idiopathic postural orthostatic tachycardia syndrome An attenuated form of acute pandysautonomia?
Patterns of Orthostatic Blood Pressure Change and Their Clinical Correlates in a Frail, Elderly Population
Vagal and Sympathetic Mechanisms in Patients With Orthostatic Vasovagal Syncope
Cerebral versus systemic hemodynamics during graded orthostatic stress in humans
Effects of head-down-tilt bed rest on cerebral hemodynamics during orthostatic stress.
Non-invasive continuous finger blood pressure measurement during orthostatic stress compared to intra-arterial pressure
Power spectrum analysis of heart rate variability to assess the changes in sympathovagal balance during graded orthostatic tilt.
Left ventricular pressure-volume and Frank-Starling relations in endurance athletes. Implications for orthostatic tolerance and exer...