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Objective: To assess the accuracy of audio signal processing system in noninvasive automatic estimation of pulmonary arterial pressure(PAP). Methods: Comparative studies among Doppler echocardiography, audio signal processing system (ASPS) and cardiac catheterization for predicting PAP have been done in 51 children with left-to-right shunting congenital heart disease. Results: Estimated pulmonary...
Along with the development of international trade, traditional barriers like tax and limitation are gradually wearing off and Technical barriers to trade (TBT) which care about health, life and environment, are having much heavier effect on international trade. Because of TBT, our export trade suffers great economic loss. In order to defend TBT set by developed counties effectively, based on the research...
Arterial compliance reflects personspsila health. The method of detecting arterial compliance is the key to improve the precision of arterial compliance measurement. This paper presented a method that can non-invasively detect arterial compliance based on the pulse wave theory and the model of windkessel. The correlations of arterial compliance between age and IMT were analyzed by testing 189 cases...
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