[Personalized medicine and healthcare: where are we now, where should we go?].

The authors of this manuscript are representatives of different subdisciplines of medicine, all of them are experienced researchers. As of their origin, they are practicing doctors from the primary care and from the clinical/hospital setting, diagnostics experts, researchers from healthcare management, health economics, representatives of patients' rights and patient organizations. They are all devoted to the implementation of personalized medicine and personalized healthcare in Hungary.

[Malignant arrhythmias caused by hyperkalemia: a new area of drug-induced electrolyte abnormalities].

Introduction: High dose of angiotensin converting enzyme inhibitor is indicated in the treatment of heart failure and it is part of the treatment in the patients suffering from diabetes mellitus and nephropathy. The patients with preexisting renal insufficiency could have slowly elevated serum potassium level treated by angiotensin converting enzyme inhibitor.

Patients: Seven acute admitted cases is presented with severe hyperkalaemia and life threatening arrhythmias caused by ACEI administration.