After shock, persistent oxygen extraction deficit despite the apparent adequate recovery of systemic hemodynamic and oxygen-derived variables has been a source of uncertainty and controversy. Dysfunction of oxygen transport pathways during intensive care underlies the sequelae that lead to organ failure, and the limitations of techniques used to measure tissue oxygenation in vivo have contribut...

With the aim of understanding and identifying the traits which can be used as the suitable criteria for quick screening of the water deficit tolerant barley genotypes, an experiment based on randomized complete blocks design with three replications was conducted during two years to evaluate the biochemical responses of 20 barley genotypes to full irrigation and terminal water stress in the fie...

response to exercise are the determination of the early normalized oxygen deficit during square wave exercise testing. Due to the inappropriate (suboptimal) increase of the cardiac output at the early onset of exercise, the organism has to rely on anaerobic energy sources with an excess lactic acid accumulation. Therefore, at the onset of exercise, V ˙ o 2 is subtracted from the steady-state va...

We present a new model of the underlying dynamics of the oxygen uptake VO2(v,t) kinetics for various exercise intensities. This model is in the form of a set of nonlinear coupled vector fields for the VO2(v,t) and v, the derivative of the exercise intensity with respect to time. We also present a new and novel means for calculating the oxygen demand, D(v,t), and hence also the oxygen deficit an...