A cuff bladder that is too small will
cause an overestimation of systolic and diastolic blood pressures, and
a cuff bladder that is too large will cause these pressures to be
underestimated. For an adult patient, the optimal length of the cuff
bladder is 80% of the circumference of the patients arm, and the
optimal width of the cuff bladder is 40% of the arms circumference.
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