Arterial-line monitoring system simulation

We 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 respira...

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Bibliographic Details
Published in:Journal of clinical monitoring and computing 2000, Vol.16 (7), p.547-552
Main Authors: FEINSTEIN, David M, RAEMER, Daniel B
Format: Article
Language:English
Subjects:
Biological and medical sciences
Blood Pressure
Cardiovascular system
Electrocardiography
Equipment Design
Humans
Investigative techniques of hemodynamics
Investigative techniques, diagnostic techniques (general aspects)
Medical sciences
Models, Theoretical
Monitoring, Physiologic
Radial Artery - physiology
Sensitivity and Specificity
Software
Transducers
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Summary:We 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. A 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. All of the desired improvements in the realism of the arterial waveform were implemented. The realism of scenarios using the patient simulator is enhanced by having the arterial-line monitoring system more accurately simulated.
ISSN:1387-1307
1573-2614
DOI:10.1023/A:1011434028338