Key result
Hypoparathyroidism-induced electrolyte derangements can trigger a pseudo-infarction "Shark Fin" ECG pattern.
Why the study?
The high-risk Shark Fin ECG pattern can mimic transmural ischemia but may also result from electrolyte abnormalities, complicating clinical decision-making for invasive coronary catheterization.
Case Report (n=1)
The high-risk 'Shark Fin' ECG pattern can result from electrolyte anomalies like hypocalcemia and hypokalemia, highlighting the need for detailed history and biochemical tests before invasive coronary catheterization.
Key Clinical Message: The high-risk "Shark Fin" electrocardiogram (ECG) pattern has been associated with transmural ischemia but can also result from electrolyte anomalies. Therefore, the decision for invasive coronary catheterization requires a detailed history and dedicated biochemical tests. Abstract: Pseudo-infarction ECG pattern resembling "Shark Fin" was demonstrated in a 76-year-old lady with a previous total thyroidectomy who presented with unspecific symptoms. An incidental finding of hypokalemia and hypocalcemia was thought to be related to delayed onset hypoparathyroidism. Potential etiologies like coronary vasospasm and catecholamine-associated myocardial injury were suggested.
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Chow et al. (2023) conducted a case report in Delayed onset hypoparathyroidism with pseudo-infarction ECG pattern (n=1). Delayed onset hypoparathyroidism (hypokalemia and hypocalcemia) was evaluated on Pseudo-infarction ECG pattern resembling "Shark Fin". A pseudo-infarction "Shark Fin" ECG pattern was observed in a 76-year-old woman with delayed onset hypoparathyroidism, highlighting that this pattern can result from electrolyte anomalies.
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