Key result
Thyrotoxic periodic paralysis rarely presents initially with VF.
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Population
A patient presenting with ventricular fibrillation as the initial presentation of thyrotoxic periodic paralysis
Design
Case report
VF may herald thyrotoxic periodic paralysis; case report extends spectrum but remains hypothesis-generating.
Thyrotoxic periodic paralysis is a life-threatening complication of hyperthyroidism characterized by transient episodes of muscle paralysis and hypokalemia, commonly seen in Asian men. We present a rare case of ventricular fibrillation as the initial presentation of thyrotoxic periodic paralysis. (Level of Difficulty: Intermediate.)
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Soneji et al. (2021) studied this question. Thyrotoxic periodic paralysis can rarely present initially with ventricular fibrillation.
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