Fig. 1
Typical waveform of perfusion index (PI), cardiac index (CI) signals during a passive leg raising (PLR) test and a volume expansion (VE) in preload responders (a) and in preload non-responders (b)
Fig. 1 | Critical Care
Typical waveform of perfusion index (PI), cardiac index (CI) signals during a passive leg raising (PLR) test and a volume expansion (VE) in preload responders (a) and in preload non-responders (b)
Critical Care