Unraveling a diagnostic enigma: managing acute mitral valve insufficiency with non-ischemic papillary muscle rupture. A comprehensive case analysis - Maciej Łuczak; Krzysztof Greberski; Karol Buszkiewicz; Radosław Jarząbek; Cezary Danielecki; Pawel Czaja; Paweł Bugajski (Termedia Publishing House, 2024)