Orthostatic intolerance

Description

Symptoms of cerebral hypoperfusion or autonomic overaction which develop while the subject is standing, but are relieved on recumbency. Types of this include neurocardiogenic syncope, postural orthostatic tachycardia syndrome (POTS), and neurogenic orthostatic hypotension. Description adapted from: https://www.ncbi.nlm.nih.gov/mesh/68054971.