The recommendations listed in this guideline are, whenever possible, evidence based. An
initial extensive evidence review, which included literature derived from research involving …

Neurogenic orthostatic hypotension is a highly prevalent and disabling feature of autonomic
failure due to both peripheral and central neurodegenerative diseases. Community-based …

Baroreflex Dysfunction Baroreflexes play both an adaptive and a homeostatic role,
maintaining blood pressure, heart rate, and blood volume within the normal range. Defects …

Neurogenic orthostatic hypotension (nOH) is common in patients with neurodegenerative
disorders such as Parkinson's disease, multiple system atrophy, pure autonomic failure …

Heart rate variability (HRV) refers to various methods of assessing the beat-to-beat variation
in the heart over time, in order to draw inference on the outflow of the autonomic nervous …

This review examines how the sympathetic nervous system plays a major role in the
regulation of cardiovascular function over multiple time scales. This is achieved through …

Frequency analysis of the electrocardiographic RR interval is a common method of
quantifying autonomic outflow by measuring the beat-to-beat modulation of the heart (heart …

Orthostatic hypotension is defined as a fall in BP (ie, 30 mm Hg systolic or 10 mm Hg
diastolic BP) in response to a postural change from supine to standing. 18 Symptoms …

Orthostatic hypotension (OH), a common, often overlooked, disorder with many causes, is
associated with debilitating symptoms, falls, syncope, cognitive impairment, and risk of …

Foreword This Journal feature begins with a case vignette highlighting a common clinical
problem. Evidence supporting various strategies is then presented, followed by a review of …