This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Small & Large Intestine, Subject name: Surgery
[{'content': 'Gangrene of the Intestine seen in all EXCEPT \nSelect and explain. \nA. Shock, B. Polyarteritis nodosa, C. Giant cell arteritis, D. Tricuspid endocarditis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: (Tricuspid - endocarditis) (518, 821- Robbins 7th)1. Arterial thrombosis - severe atherosclerosis, systemic vasculitis (Poly- arteritis- nodosa), dissecting aneurysm, surgical accidents, hypercoagulable states & OCP2. Arterial embolism - Cardiac vegetations, aortic athero embolism3. Venous thrombosis - Hypercoaguloble states, OCP, Intraparietal sepsis, invasive neoplasm, cirrhosis, abdominal trauma4. Miscellaneous - Cardiac failure, shock, dehydration, vaso constrictive drugs, radiation, volvulus, strictures herniationTricuspid endocarditis causes embolic complication (Infarction) of lung, not system organs (576- R)', 'role': 'assistant'}]