A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is
Autonomic dysfunction worsens with old age. It results from an imbalance between the sympathetic and parasympathetic divisions. Autonomic function tests were carried out in 50 healthy subjects in the age group of 65 to 90 years and compared with 50 controls in the age group of 25 to 65 years. The Parasympathetic activity was assessed by heart rate response to deep breathing, valsalva maneuver and orthostatic tests. Sympathetic function was assessed by blood pressure response to cold pressordoi:10.16965/ijims.2015.105 fatcat:cdsixyc355h4db37kyvsq7uoi4