Abstract
This study proposes additional steps to evaluate and interpret oscillometric blood pressure monitors. 4-quadrant and Bland-Altman plots were created using mean arterial pressures (MAP) obtained every 2 min from 40 dogs from a previous study. New plots were created using values grouped every 10-min intervals instead of individual measurement. Using intervals improved the range of change in MAP assessed in 4-quadrant plots and the concordance between monitors and reduced the limits of agreement in Bland-Altman plots. Interpreting oscillometric MAP values over intervals rather than individual values may be a useful addition to traditional method-comparison studies and to clinical monitoring.
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