Hypercalcaemia

Hypercalcaemia (high serum calcium) causes a short QT interval. If severe it may also produce Osborn waves and there is a risk of VF.

See also: Electrolytes

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References

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In the ECGquest archives, this ECG has been tagged with: - Osborn wave Short QT Wide QRS Hypercalcaemia 12-Lead LITFL Dr Edward Burns CC-BY-NC-SA
Severe hypercalcaemia from parathyroid adenoma

This ECG is from a man in his 40s who presented critically unwell on a background of a parathyroid adenoma.