Why the study?
What factors affect the accuracy of auscultatory blood pressure measurements compared to intra-arterial pressures?
Population
Subjects undergoing blood pressure measurement
Comparison
Auscultatory blood pressure measurement vs Intra-arterial lateral and end pressures
Design
Other
Authors
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Arm size and pulse contour may bias auscultatory readings; leaves open validation of refined noninvasive techniques against intra-arterial standards.
What factors affect the accuracy of auscultatory blood pressure measurements compared to intra-arterial pressures?
Demonstrates that physical factors such as arm size and pulse contour significantly introduce errors in auscultatory blood pressure measurements compared to invasive intra-arterial monitoring.
Thomson et al. (1949) studied this question.
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