Prevalence of Autonomic Dysfunction in Parkinson's Disease
Table 3.11 Prevalence of autonomic dysfunction in Parkinsons disease Survey test Abnormality rate (n = 82) Parasympathetic function Frequency (%) Heart rate variability with deep breathing 41 (50) Postural heart rate variability 16 (19.5) Valsalva maneuver 24 (29.3) Sympathetic function Frequency ...