Ruptured chordae tendineae

The chordae tendineae (tendinous cords), colloquially known as the heart strings, are tendon-resembling fibrous cords of connective tissue that connect the papillary muscles to the tricuspid valve and the mitral valve in the heart. Structure The chordae tendineae connect the atrioventricular valves to the papillary muscles within the ventricles. [Source: Wikipedia ]