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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Which of the following arrhythmias is most likely to be heritable?
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The correct answer is  Long Q-T syndrome. The genetic basis of heritable arrhythmias, most notably the long Q-T syndromes, has been linked to mutations of genes coding for subunits of cardiac potassium and sodium channeis.