“…1 There are a number of 230 million surgeries performed in the world annually, from low, intermediate and high cardiovascular risks, 15% of these procedures are from high-risk patients, where it is important to choose the type of monitoring to be offered to the patient and not about invading the patient or underestimating their basic pathology, surgery to be performed, ideally individualizing each patient and remembering that there is no "ideal monitoring for all patients" is a very important decision on the part of the clinician. 2,3 During the last decade, hemodynamic monitoring has evolved considerably, from the emergency area, operating room, intensive care unit. 4 The greatest impact in their evolution is the decreasing use of the Pulmonary Artery Catheter (PAC), together with the advent of minimally invasive monitoring and non-invasive Cardiac Exit monitors, which have been shown to offer hemodynamic variables with algorithm creations that will guide us towards decision making, without the high invasion of a CAP, the transpulmonary thermo dilution that these two last count on precise indications at present.…”