A 52-year-old woman presents with polyuria, polydypsia, constipation, and fatigue. She has no significant past medical history, and she is not on any medications. She was recently diagnosed with hyperparathyroidism.Select the characteristic ECG findings.
With severe hypercalcemia, the QT interval is markedly shortened. There is a correlation between the length of QT interval and the degree of hypercalcemia.
shortened PR interval
lengthened PR interval
lengthened QU interval
shortening of the QT interval
C.V.S.