The assay does not start until sufficient blood sample is provided to the strip. Inaccuracies caused by insufficient sample are minimized by introducing fill indicators to ensure that sufficient sample is provided to the strip. Some of the common initiating causes of inaccuracies in an electrochemical blood glucose monitoring systems are insufficient sample provided for the test and the effect of endogenous or exogenous interfering compounds. A high degree of clinical accuracy of blood glucose measurement with handheld devices is very essential in minimizing adverse effects of the treatment. Clarke 1 and consensus 2 error grids have been developed to graphically represent the clinical impact of errors in glucose measurements performed using handheld devices as compared to a laboratory reference.
They rely on the accuracy of the measurement to make appropriate medical interventions. Lower blood volume requirements have decreased the pain of blood glucose testing, making tests at alternate sites a reality.ĭiabetic patients perform blood glucose testing to manage their disease. The volume of blood volume required to perform a successful test has dropped from over 10 μl to just about 300 nl. The time required to complete a test has changed from over 30 seconds to just less than 5 seconds. Electrochemical blood glucose monitoring systems have evolved since the launch of Exactech in 1987 by MediSense Inc., now a part of Abbott Diabetes Care.
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