anything done or to be done; anything requiring action or effort; business; concern: an affair of great importance. 2. affairs, matters of commercial or public interest or concern; the transactions of public or private business or finance:
Hyperlactatemia is defined as a persistent, mild to moderate (2-4 mmol/L) increase in blood lactate concentration without metabolic acidosis, whereas lactic acidosis is characterized by persistently increased blood lactate levels (usually >5 mmol/L) in association with metabolic acidosis.
Introduction. A lactate dehydrogenase (LDH) test measures the amount of LDH in the blood. Lactate dehydrogenase is an enzyme that the body uses during the process of turning sugar into energy for your cells to use.LDH is found in many of the body's tissues and organs, including the muscles, liver, heart, pancreas, kidneys, brain and blood cells.The LDH test is mainly used to help identify the location and severity of tissue damage in the body. lactate dehydrogenase (LDH) test measures the amount of LDH in the blood.