The vital signs are, by definition, the measurements of the body's most basic functions. So far, the essential number of signs that must be measured is not clear as some references consider that the body temperature, blood pressure, pulse rate and breathing rate are sufficient but other sources consider that the measurement of other variables, such as the respiratory effort and oxygen saturation, are also crucial to determine the health of the person. This book is not intended to define the critical vital signs but presents the correlation of these measurements with other variables as well as...