This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiomyopathies, Subject name: Medicine
[{'content': 'All are true regarding the specimen shown except? \nSelect and explain. \nA. Septal hyperophy, B. Left ventricular outflow tract obstruction, C. Diamond-shaped cavity of left ventricle, D. Diastolic dysfunction', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The image shows specimen of enlarged hea with interventricular septal hyperophy that is reducing the cavity size of left ventricle. Thus it is an example of diastolic dysfunction as it reduces the end diastolic volume significantly. The presence of dynamic left ventricular hyperophy results in low cardiac output. Banana-shaped cavity of left ventricle is seen with HOCM', 'role': 'assistant'}]