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Determination of the most appropriate velocity threshold for applying hemispheric flow convergence equations to calculate flow rate: selected according to the transorifice pressure gradient. Digital computer analysis of the Doppler color flow convergence region.
Deng YB, Shiota T, Shandas R, Zhang J, Sahn DJ. Deng YB, et al. Among authors: zhang j. Circulation. 1993 Oct;88(4 Pt 1):1699-708. doi: 10.1161/01.cir.88.4.1699. Circulation. 1993. PMID: 8403315
Fully Automated Echocardiogram Interpretation in Clinical Practice.
Zhang J, Gajjala S, Agrawal P, Tison GH, Hallock LA, Beussink-Nelson L, Lassen MH, Fan E, Aras MA, Jordan C, Fleischmann KE, Melisko M, Qasim A, Shah SJ, Bajcsy R, Deo RC. Zhang J, et al. Circulation. 2018 Oct 16;138(16):1623-1635. doi: 10.1161/CIRCULATIONAHA.118.034338. Circulation. 2018. PMID: 30354459 Free PMC article.
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