This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Medicine
[{'content': 'Becks triad is seen in \nSelect and explain. \nA. Constrictive pericarditis, B. Restrictive cardiomyopathy, C. Cardiac tamponade, D. HOCM', 'role': 'user'}, {'content': "Answer: C \nExplanation: Components of Beck's Triad Hypotension with a Narrowed Pulse Pressure Jugular Venous Distention Muffled hea Sounds it is a pathognomic feature of cardiac tamponade Ref Harrison 20th edition pg 1546", 'role': 'assistant'}]