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ECG Disease Patterns
 
 

Hypocalcaemia on ECG

 
 
 
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Overview

Hypocalcaemia, or a reduced serum calcium concentration >2.15 mmol/L, prolongs action potentials which primarily results in delayed ventricular repolarisation (prolonged QT) on ECG.
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  • ECG Findings in Hypocalcaemia

  • Prolonged QT interval (due to a prolonged ST segment)
  • Torsade de pointes (rare)
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