postural syncope

pos·tur·al syn·co·pe

syncope on assuming an upright position; due to orthostatic hypotension.

pos·tur·al syn·co·pe

(pos'chŭr-ăl sing'kŏ-pē)
Syncope on assuming an upright position; caused by failure of normal vasoconstrictive mechanisms.

pos·tur·al syn·co·pe

(pos'chŭr-ăl sing'kŏ-pē)
Syncope on assuming an upright position; due to orthostatic hypotension.