SA Series Ambulatory Blood Pressure Monitor User Manual Introduction
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Chapter 2 Introduction
2.1 About ABPM
The Ambulatory Blood Pressure Monitor consists of a blood pressure monitor (as referred to
below as monitor) and analysis software. The monitor inflates and deflates the cuff on the upper
arm to measure blood pressure by the oscillometric method and stores the measurement. The
stored measurements are transferred to a PC via wired or wireless transmission and analyzed by
the analysis software.
The ABPM is used to measure systolic and diastolic blood pressures, and pulse of adult patients
and store the measurement data for clinical diagnosis.
Oscillometric devices measure the amplitude of pressure changes in the occluding cuff as the cuff
deflates from above systolic pressure. The amplitude suddenly increases as the pulse breaks
through the occlusion in the artery. As the cuff pressure decreases further, the pulsations increase
in amplitude, reach a maximum (which approximates to the mean pressure), and then diminish.
The blood pressure measurements determined with this device comply with the American
National Standard for Electronic or Automated Sphygmomanometers (ISO 81060-2) in relation to
mean error and standard deviation. In clinical investigation method with a reference
sphygmomanometer, the fifth Korotkoff sound was used to determine adult diastolic pressure.
The ABPM is useful for:
Showing 24-hour BP profile
BP data storage and query
Comparing two studies conducted on the same patient
Bluetooth module for wireless transmission (optional)
BP data loading and retrieving, and statistical analysis of the ABP study
Report preview, printing, and configuration
NOTE: The pictures and windows in this manual are for reference only.
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