Clinical Dysautonomia in Patients with Bronchial Asthma Study with Seven Autonomic Function Tests

Fifty asthmatic patients and 20 healthy control subjects, carefully age- and sex-matched, were subjected to seven standardized tests to evaluate their autonomic status. Due care was taken to remove factors which could interfere with results. Of the tests concerned with the parasympathetic system, the intravenous atropine test (p greater than 0.10) and heart rate response to standing (p greater than 0.01) which measured the basal parasympathetic …