Body Fluid Balance During Heat Stress in Humans

The sections in this article are: 1 Water Balance During Heat Stress 2 Methodological Limitations 2.1 Estimation of the Absolute Size of the Body Fluid Compartments 2.2 Estimates of Relative Changes in Body Fluid Compartments 3 Body Fluid Compartments 3.1 Effects of Acute Heat Stress 3.2 Effects of Dehydration 4 Control of Body Fluid Balance During Dehydration 4.1 Sweat Gland Function 4.2 Kidney Function 4.3 Hormonal Control of Renal Function 5 Heat Acclimatization 5.1 Expansion of Body Fluid Compartments 5.2 Mechanism of Plasma Volume Expansion 5.3 Salt Conservation in Sweat Gland 6 Summary