Cardiac index (CI), stroke volume index (SVI)
A decrease in cardiac index is a clear alarm signal and requires appropriate measures to manage the situation. But knowledge about cardiac index alone is not enough to make a therapeutic decision, as the cardiac index is influenced by several factors.
Gassanov N. et al. The PiCCO catheter. Dtsch med Wochenschr 2010; 135(46): 2311-2314