Final answer:
Possible causes of ruptured chordae tendineae of the mitral valve include carcinoid heart disease, infective endocarditis, and mitral valve prolapse, but not trauma.
Step-by-step explanation:
Ruptured chordae tendineae of the mitral valve can be caused by several factors, including carcinoid heart disease, infective endocarditis, and mitral valve prolapse. However, trauma is not a common cause of ruptured chordae tendineae. Trauma to the heart would typically result in other types of damage, such as myocardial infarction or damage to the blood vessels, rather than specifically causing rupture of the chordae tendineae.