Severe hypocalcemia: a rare cause of reversible heart failure

N Mikhail1, A El-Bialy, J Grosser

  • 1Department of Medicine, Endocrinology Division, Olive View-UCLA Medical Center, Sylmar, CA 91342.

Insights

Severe hypocalcemia can cause heart failure, but it is reversible with calcium correction. This case highlights the importance of checking calcium and magnesium levels in heart failure patients.

Area of Science:

  • Cardiology
  • Endocrinology
  • Internal Medicine

Background:

  • Calcium is vital for myocardial contractility.
  • Hypocalcemia is an underrecognized cause of heart failure.
  • Hypoparathyroidism can lead to severe hypocalcemia.

Purpose of the Study:

  • To report a case of hypocalcemic heart failure.
  • To emphasize the reversibility of hypocalcemic heart failure.
  • To recommend screening for hypocalcemia in heart failure patients.

Main Methods:

  • Case report of a patient with idiopathic hypoparathyroidism.
  • Management of severe hypocalcemia and hypomagnesemia.
  • Clinical assessment of heart failure symptoms and plasma calcium levels.

Main Results:

  • The patient presented with congestive heart failure.
  • Heart failure symptoms significantly improved with calcium level correction.
  • This suggests a direct link between hypocalcemia and heart failure.

Conclusions:

  • Hypocalcemic heart failure is a reversible condition.
  • Plasma calcium measurement is crucial in heart failure work-up.
  • Magnesium levels should also be assessed and corrected in hypocalcemic patients.

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