For diagnosis of sepsis the sum of clinical data and analytical is required. It is important to make clear that there is no specific laboratory test that allows definitive diagnosis. If you suspect that a patient is septic (suffering from sepsis) it is necessary before starting treatment with antibiotics, take blood samples, urine. Patient samples are subsequently removed for microscopic analysis and to grow them in the laboratory, which then they will check whether an organism grows, and if it does it will probably mean that it is responsible for sepsis (infection). A useful parameter for orienting laboratory diagnosis of sepsis is elevation in blood lactic acid. This method is especially used in emergency departments for their speed. In
