Noninvasive assessment of pressure drop in mitral stenosis by Doppler ultrasound.
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Tài liệu tham khảo
Angelsen, B. A. J. (1975). Transcutaneous Measurement of Aortic Blood Velocity by Ultrasound. A Theoretical and Experimental Approach. Report 75-78-W, Division of Engineering Cybernetics, Norwegian Institute of Technology, University of Trondheim, Norway.
Angelsen, B. A. J. (1976). Analog Estimation of the Maximum Frequency of Doppler Spectra in Ultrasonic Blood Velocity Measurements. Report 76-21-W, Division of Engineering Cybernetics, Norwegian Institute of Technology, University of Trondheim, Norway.
Brubakk, A. O., Angelsen, B. A. J., and Hatle, L. (1977). Diagnosis of valvular heart disease using transcutaneous Doppler ultrasound. Cardiovascular Research, 11, 461469.
Holen, J., Aaslid, R., Landmark, K., and Simonsen, S. (1976). Determination of pressure gradient in mitral stenosis with a non-invasive ultrasound Doppler technique. Acta Medica Scandinavica, 199, 455-460.
