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- D M Feinstein and D B Raemer.
- Harvard Medical School and Department of Anesthesia, Beth Israel Deaconess Medical Center, Boston, MA, USA.
- J Clin Monit Comput. 2000 Jan 1; 16 (7): 547-52.
ObjectiveWe sought to improve the realism of our patient simulation environment by developing a simulation of the arterial-line monitoring system. Properties of the system we wished to depict were: electro-mechanical delay between ECG and radial artery pressure, beat to beat amplitude variability and respiratory variation, realistic looking pulse pressure in hypertensive and hypotensive states, a functional link to the stopcock and transducer flush, and filtering characteristics of the measurement system.MethodsA standard clinical pressure transducer and stopcock were modified to provide data about their state to a personal computer. A software program was written to modify the arterial pressure waveform from a patient simulator according to the pressure transducer and stopcock state as well as user settings to produce a new waveform.ResultsAll of the desired improvements in the realism of the arterial waveform were implemented.ConclusionsThe realism of scenarios using the patient simulator is enhanced by having the arterial-line monitoring system more accurately simulated.
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