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Fig. 9. Schematic diagram of the BP simulator in [55].

Figure 9 Schematic diagram of the BP simulator in [55].

Related Figures (11)

Fig. 1. BP determination according to the oscillometric method [6]. (a) Cuff positioning and deflation. (b) Oscillogram obtained by removing the cuff pressure.
Fig. 1. BP determination according to the oscillometric method [6]. (a) Cuff positioning and deflation. (b) Oscillogram obtained by removing the cuff pressure.
Fig. 2. Main criteria for oscillometric BP determination [6].
Fig. 2. Main criteria for oscillometric BP determination [6].
of physiological variable of BP than sphygmomanometers do. If oscillometrically measured BP does mark a different kind of physiological variable, this would be masked by adjusting the algorithms to mimic sphygmomanometer outcome, in order to achieve an “A” grading in validation [30].
of physiological variable of BP than sphygmomanometers do. If oscillometrically measured BP does mark a different kind of physiological variable, this would be masked by adjusting the algorithms to mimic sphygmomanometer outcome, in order to achieve an “A” grading in validation [30].
Fig. 4. Three different oscillometric index (Ep,) representations of an os- cillometric pulse, where y is the envelope type, p is the pulse amplitude o1 the MIN value of data to the MAX value of data for each pulsation, c is the centered or MIN value of data to the COG value for each pulsation, and d is the difference between p and c or the COG value to the MAX value of data for each pulsation [29].
Fig. 4. Three different oscillometric index (Ep,) representations of an os- cillometric pulse, where y is the envelope type, p is the pulse amplitude o1 the MIN value of data to the MAX value of data for each pulsation, c is the centered or MIN value of data to the COG value for each pulsation, and d is the difference between p and c or the COG value to the MAX value of data for each pulsation [29].
Systolic blood pressure; ? diastolic blood pressure. DISTRIBUTION OF MEASUREMENT ERRORS FOR SEVERAL AUTOMATIC BP DEVICES [34]
Systolic blood pressure; ? diastolic blood pressure. DISTRIBUTION OF MEASUREMENT ERRORS FOR SEVERAL AUTOMATIC BP DEVICES [34]
Note: Unless indicated otherwise, five successive determinations are made at each setting within each test group. All pressures are in mm Hg.
Note: Unless indicated otherwise, five successive determinations are made at each setting within each test group. All pressures are in mm Hg.
Fig. 6. Differences between (a) oscillations generated by the CuffLink NIBP simulator and (b) oscillations taken from a human upper arm [35].
Fig. 6. Differences between (a) oscillations generated by the CuffLink NIBP simulator and (b) oscillations taken from a human upper arm [35].
Fig. 7. (Top) Human signal, Morlet wavelet, SBP = 83 mmHg, DBP = 58 mmHg, HR = 74 bpm, and CuffLink signal. (Bottom) Morlet wavelet, SBP = 80 mmHg, DBP = 50 mmHg, and HR = 80 bpm [51].
Fig. 7. (Top) Human signal, Morlet wavelet, SBP = 83 mmHg, DBP = 58 mmHg, HR = 74 bpm, and CuffLink signal. (Bottom) Morlet wavelet, SBP = 80 mmHg, DBP = 50 mmHg, and HR = 80 bpm [51].
Fig. 8. High-level block diagram of the physiological signal simulator in [54].
Fig. 8. High-level block diagram of the physiological signal simulator in [54].
Related topics:
Instrumentation and Measurement ScienceElectrical and Electronic EngineeringBlood Pressure Measurement
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