title: Spontaneous rupture of mitral chordae tendineae in hyperthyroidism.
mesh_terms: D002815:Chordae Tendineae; D006801:Humans; D008297:Male; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000209:etiology*; D011014:Pneumonia / Q000150:complications; D012422:Rupture, Spontaneous; D013971:Thyrotoxicosis / Q000150:complications*