Twenty-four-hour ambulatory blood pressure profiles of high-risk patients in general practice: data from an ambulatory blood pressure monitoring registry.

摘要

'Essential hypertension represents a quantitative deviation from the norm. To select a dividing line between normal and abnormal blood pressure is evidently arbitrary'.'The conclusions drawn are often chiefly based not on facts, but by an entirely arbitrary procedure which is absolutely without justification, either from theory or from fact'