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Blood Pressure Variability: The Basics and Beyond

  • 1 Sriram Sriperumbuduri, MD, is a clinical fellow in nephrology, The Ottawa Hospital.
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Blood pressure (BP) is a dynamic entity and, just like many other orders in nature, is affected by variability. Studies have shown variability in an individual’s BP over seconds, minutes, and days. This variability has been found to correlate with morbidity and mortality events. This review is intended to highlight some basic concepts of this entity with a focus on measures of variability and outcomes. The types of BP variability are shown in Table 1 (1).

Sriram Sriperumbuduri

Indices for measurement of short-term variability

Short-term variation is measured by 24-hour ambulatory BP monitoring (ABPM) through the

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