This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Beck's Triad is seen in - 
Select and explain. 
A. Constrictive Pericarditis, B. Cardiac tamponade, C. Right ventricular myocardial infarction (RVM), D. Restrictive cardiomyopathy
B: Cardiac tamponade
Answer: B: Cardiac tamponade 
Explanation: None