Research Article
New Indices of Endothelial Function Measured by Digital Thermal Monitoring of Vascular Reactivity: Data from 6084 Patients Registry
Figure 1
(a) Illustration of patient setup, with temperature sensors affixed to both index fingers and blood pressure cuffs on both arms. (b) A sample report screen displays a right finger temperature curve (red), a left finger temperature curve (blue), and a zero reactivity curve (green). (c) The software-generated, vascular reactivity curve is shown. The vascular reactivity index (VRI) is taken as the maximum value of this temperature curve during the reactive hyperemic period.
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