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Ventricular Arrhythmia Precipitated by Severe Hypocalcaemia Secondary to Primary Hypoparathyroidism

S Ashwin Reddy1

  • 1Papworth Hospital, Papworth Everard, Cambridge, UK.

Case Reports in Cardiology
|May 16, 2019
PubMed

Insights

Hypocalcaemia, a calcium deficiency, can cause heart rhythm problems like QT interval prolongation. Prompt treatment and diagnosis of the cause, such as hypoparathyroidism, are crucial for recovery.

Area of Science:

  • Endocrinology
  • Cardiology
  • Internal Medicine

Background:

  • Hypocalcaemia presents with neuromuscular and myocardial symptoms.
  • QT interval prolongation and cardiac arrhythmias are significant cardiac manifestations.
  • Early detection and calcium replacement are key to reversing hypocalcaemia pathology.

Observation:

  • A young man presented with collapse.
  • Initial electrocardiogram (ECG) revealed sinus rhythm with significant QT interval prolongation.
  • Profound hypocalcaemia was identified as the cause.

Findings:

  • The patient's hypocalcaemia was secondary to primary hypoparathyroidism.
  • The case highlights the cardiac impact of severe hypocalcaemia.
  • ECG findings correlated with electrolyte imbalance.

Implications:

  • Undiagnosed hypoparathyroidism can lead to life-threatening cardiac events.
  • Prompt diagnosis and management of hypocalcaemia are essential.
  • Identifying and treating the underlying cause prevents recurrence and improves patient outcomes.

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