• Vol. 27 No. 4, 567–569
  • 15 July 1998

Electrocardiographic Abnormalities in Combined Hypercalcaemia and Hypokalaemia—Case Report



A 47-year-old woman presented with extreme hypercalcaemia due to a parathyroid carcinoma. An electrocardiogram which was recorded when the hypercalcaemia was associated with hypokalaemia showed absence of the ST segment, prolonged T wave, a shortened QTac interval and prominent U waves.

The electrocardiographic abnormalities in isolated hypercalcaemia and hypokalaemia have been well documented in the literature. However, electrocardiogram (ECG) findings in combined hypercalcaemia and hypokalaemia have rarely been described.

This article is available only as a PDF. Please click on “Download PDF” on top to view the full article.