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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.
February 10, 2016 By Dr. Andrew Coggan, Ph.D. For more than 30 years, exercise physiologists have known that the exercise intensity at which lactate begins to accumulate in a personâs blood, lactate threshold (LT), is a powerful predictor of their endurance performance ability.