Antibiotic use among children in Serbia is extremely high compared with that in most other European countries. Major problems are frequent use of antibiotics for indications that usually receive no benefit from this treatment and the use of broad-spectrum antibiotics.

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Historically, quinidine was the first medicine used in the therapy of heart arrhythmias. Studies in the early 20th century identified quinidine, a diastereomer of the antimalarial quinine, as the most potent of the antiarrhythmic substances extracted from the cinchona plant. Quinidine is used by the 1920s, as an antiarrhythmic agent to maintain sinus rhythm after the conversion from atrial flutter or atrial fibrillation and to prevent recurrence of ventricular tachycardia or ventricular fibrillation. Its value in chronic prophylaxis of relapse of ventricular arrhythmia was brought under suspicion after publishing of meta analysis that showed that the application of quinidine increases mortality. Due to numerous proofs of increased risk for the appearance of ventricular arrhythmia and sudden death, as well as a number of other adverse effects and drug interactions, quinidine was withdrawn from use and in the recent years has become unavailable in many countries. On the other hand, recent studies have demonstrated that quinidine is the only oral medication that has consistently shown efficacy in preventing arrhythmias and terminating storms due to recurrent ventricular fibrillation, in patients with Brugada syndrome, idiopathic ventricular fibrillation and early repolarization syndrome. Quinidine is also the only antiarrhythmic drug that normalized the QT interval in patients with the congenital short QT syndrome. The aim of this review is to provide good insight into pro and contra arguments for quinidine use in ventricular arrhythmias evidence based on recently published literature.

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