“…The search process is depicted in Figure 1. Table 118, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30 shows the characteristics of the studies, including 10 trials investigating the measurement of bioimpedance,19, 20, 21, 22, 23, 24, 26, 27, 28, 29 1 trial investigating the use of blood volume monitoring, 18 and 1 trial investigating the combined use of lung ultrasound and bioimpedance 25 . No eligible randomized control trials investigated the use of inferior vena cava ultrasound, natriuretic peptides, or chest radiograph.…”