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64y old f, ckd on hemodialysis, admitted on er complaining about chest pain, dizziness, weakness and dyspnea. Serum potassium was 9,2 mmol/L. EKG before and after dialysis.

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patient in late teens presenting after a collapse, no chest pain, no previous cardiac history, no history of sudden death in family, are there any features in this ekg that would warrant further work-up or is this just a pediatric ekg?