Accuracy of blood pressure measurement: sphygmomanometer calibration and beyond.

The importance of accurate blood pressure measurement in the diagnosis of arterial hypertension, and in the precise titration of antihypertensive treatment, is largely acknowledged in clinical practice. The relevance of this issue has recently been further emphasized by hypertension management guidelines [1–3]. Health care givers as well as patients are now aware of the need to follow carefully standardized procedures when measuring blood pressure, aimed at achieving the highest possible accuracy of blood pressure estimates.

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