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. Author manuscript; available in PMC: 2021 Apr 16.
Published in final edited form as: IEEE Signal Process Med Biol Symp. 2020 Mar 19;2019:10.1109/spmb47826.2019.9037853. doi: 10.1109/spmb47826.2019.9037853

Figure 7.

Figure 7.

Td demonstrated a monotonic relation to degree of stenosis (p<0.001, n=50). For hemodynamically significant stenoses (DOS>50%), Td became negative, suggesting flow velocity increase causing increased spectral flux at locations downstream of stenosis.