Metabolism

A 23-year-old man has recurrent episodes of muscle cramps during intense exercise. During an episode, plasma lactate rises from 1.2 to 1.5 mmol/L (reference 0.5…

A 7-month-old infant becomes lethargic after an overnight fast during gastroenteritis. Blood glucose is 1.9 mmol/L (reference 3.5–6.0 mmol/L), beta-hydroxybutyr…