What presentation is characteristic of milk-alkali syndrome?

• A. Low blood pressure and hypercalcemia
• B. Hypercalcemia and metabolic alkalosis
• C. Hypocalcemia and acidosis
• D. Normal calcium with respiratory distress

Answer: (B)

Milk-alkali syndrome is characterized by a triad that includes hypercalcemia, metabolic alkalosis, and renal insufficiency. The consumption of large amounts of calcium (often from milk or calcium supplements) combined with an alkali (like sodium bicarbonate) leads to elevated calcium levels in the blood.

In this condition, the excessive calcium intake increases the absorption of calcium in the intestines while the alkali can induce metabolic alkalosis by increasing bicarbonate levels. One of the key lab findings in milk-alkali syndrome will show significantly elevated calcium levels (hypercalcemia) along with an elevated bicarbonate level leading to metabolic alkalosis.

This understanding directly supports why the answer is correct as it describes the primary and distinguishing features of milk-alkali syndrome. The other options either present patterns that do not align with the syndrome's signature findings, such as hypocalcemia or normal calcium levels, which are inconsistent with milk-alkali syndrome.