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Our study was performed to assess the clinical value of digital phono- and electrocardiography (dPCG and dECG) in telemedicine application for screening. Relevant echocardiographic parameters (left ventricular (LV), both atrial dimensions; ejection fraction (EF), aortic Vmax, the grade of mitral and tricuspid regurgitation (MR and TR: semiquantitative grade I-III, the left ventricular mass index (LVMI))...
Three studies were performed assessing the clinical value of digital electro- and phonocardiography (dECG, dPCG) with telemedicine application. In the first study, some Doppler echocardiographic parameters (ejection fraction, aortic Vmax, the grade of mitral and tricuspid regurgitation) were estimated from the spectral amplitude value of 170 time-frequency cells of the TriTest dPCG using multivariate...
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