Age-adjusted normal tolerance limits for cardiovascular autonomic function assessment in the elderly.

Autonomic nerve function was assessed in 85 normal subjects (mean age 66.1 +/- 10.2 years) by a series of standard tests based upon cardiovascular reflexes. Age-adjusted normal tolerance intervals were established for each test. The clinical application of autonomic function assessment in the elderly is discussed, with particular reference to patients with diabetes mellitus, ocular hypertension, and primary glaucoma, which represent a significant proportion of the aged population.