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. 2020 Jan 7;22(1):e15445. doi: 10.2196/15445

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©Ina Thon Thon Aamodt, Edita Lycholip, Jelena Celutkiene, Thomas von Lueder, Dan Atar, Ragnhild Sørum Falk, Ragnhild Hellesø, Tiny Jaarsma, Anna Strömberg, Irene Lie. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 07.01.2020.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in the Journal of Medical Internet Research, is properly cited. The complete bibliographic information, a link to the original publication on http://www.jmir.org/, as well as this copyright and license information must be included.

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Individual lung impedance ratios (ΔLIRs) during the 30-day postdischarge at-home assessment period. Each color or symbol represents the ΔLIR time series for 1 of the 10 participants. More negative ΔLIRs translate to more pulmonary congestion. Missing data (interrupted time series) resulted from a poor electrode connection, an intervening hospitalization, or a participant temporarily lacking help from their home caregiver to perform measurements. An Edema Guard Monitor (CardioSet Medical) lung impedance device was used to measure lung impedance (see the Methods section for calculation of ΔLIR).