Neurogenic Orthostatic Hypotension

**Semantic type:** Finding

**Definition:** Orthostatic hypotension due to autonomic dysfunction. Primary neurogenic orthostatic hypotension (nOH) may be associated with disorders such as Parkinson disease (PD) and multiple system atrophy (MSA) whereas secondary nOH may be seen in peripheral neuropathies.

**Synonyms:** - Neurogenic orthostatic hypotension - nOH