Medicine/Medical. a fall in blood pressure associated with an upright position, usually occurring as a result of standing still for a long time or rising from a prolonged stay in bed and often causing faintness, dizziness, and vision disturbances.
low blood pressure occurring upon standing up or when standing, often accompanied by faintness, dizziness, and vision disturbances; also called postural hypotension
When a person experiences any of the symptoms above, a physician can confirm orthostatic hypotension if the person’s blood pressure falls significantly on standing up and returns to normal when lying down.
orthostatic hypotension n.
A form of low blood pressure precipitated by moving from a lying or sitting position to standing up straight. Also called postural hypotension.
- Orthostatic proteinuria
orthostatic proteinuria n. Nonpathological proteinuria usually occurring between the ages of 10 and 20, and manifested when the individual stands erect but disappears when the person lies down.
[awr-thuh-stahyl] /ˈɔr θəˌstaɪl/ adjective, Architecture. 1. (of columns) erected in a straight row. 2. having columns in a straight row or in straight rows.
[awr-thos-ti-kee] /ɔrˈθɒs tɪ ki/ noun, plural orthostichies. Botany. 1. a vertical rank or row. 2. an arrangement of members, as leaves, at different heights on an axis so that their median planes coincide. /ɔːˈθɒstɪkɪ/ noun (pl) -chies 1. an imaginary vertical line that connects a row of leaves on a stem 2. an arrangement of […]
[awr-thot-ik] /ɔrˈθɒt ɪk/ noun 1. Also, orthosis. a device or support, especially for the foot, used to relieve or correct an orthopedic problem. adjective 2. of or relating to . orthotic or·thot·ic (ôr-thŏt’ĭk) adj. Of or relating to orthotics. n. An orthopedic appliance designed to straighten or support a body part.