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February 1985

Whole-Day BP Monitoring in Ambulatory Normotensive Men

Author Affiliations

From the Section of Clinical Pharmacology and Hypertension, Veterans Administration Medical Center, Long Beach, Calif, and the University of California, Irvine.

Arch Intern Med. 1985;145(2):271-274. doi:10.1001/archinte.1985.00360020097017

• Noninvasive automated ambulatory BP monitoring techniques were used to evaluate BP patterns in 34 healthy normotensive men. Daytime BPs (128±12/80±7 mm Hg) were significantly higher and nighttime BP averages (109±11/67±9 mm Hg) were significantly lower than the casual BPs (119±13/76±9 mm Hg) of the subjects studied. On the average, 15.6% of the readings in each tracing showed systolic BPs above 140 mm Hg, and more than 25% of these elevated readings were found in six of the 34 subjects. The average incidence of elevated diastolic BPs (>90 mm Hg) observed during each monitoring period was 14.4%, but six subjects had incidences of more than 25%. The incidence of elevated BP readings was not age related. However, subjects with a family history of hypertension generally had more elevated systolic BPs than those with no family history of hypertension (24% v 9%).

(Arch Intern Med 1985;145:271-274)