Brugada syndrome laboratory findings

Hypokalemia and hyperkalemia can both trigger either sustained or nonsustained episodes of ventricular tachycardia / ventricular fibrillation and serum electrolytes should therefore be checked. Both alcohol and cocaine intoxication can be associated with either sustained or nonsustained episodes of ventricular tachycardia/ventricular fibrillation and a toxicology screen should be ordered if there is a clinical suspicion. Likewise, tricyclic antidepressants can be associated with exacerbations of the syndrome, and levels of these agents should also be checked if there is a clinical suspicion.

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