Brief, factual summary of the article in Slovak: The article deals with solving problems with tumescent lidocaine, which is used in anesthesiology. National data show a sharp rise in lidocaine-related deaths since 2010. Article explains the risks of regional anesthesia, especially for athletes. It is recommended to read the entire print edition of Anesthesiology News for more information on this topic. The article is intended for anesthesiologists and medical professionals.