Blood glucose test in diabetes. Equipment used in the monitoring of blood glucose, including a reagent strip chart (at top); Reflolux glucose meter; and yellow lancet used to prick the finger to extract blood. A drop of blood placed on a test strip is being inserted into the Reflolux meter for a reading. The chart is from the BM Test 1-44 which measures blood glucose from 1-44 mmol per litre by colour change from yellow to black, white to dark blue. Diabetes mellitus is a carbohydrate metabolism disorder in which unused sugars accumulate in the blood and urine. Raised levels of blood glucose must be controlled, by diet and insulin injection (at top right).
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