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
Pulsus parvus et tardus is seen in ? 
Select and explain. 
A. Severe AS, B. Severe MS, C. Severe AR, D. Severe MR
A: Severe AS
Answer: A: Severe AS 
Explanation: Answer- A. Severe ASPulsus tardus or pulsus parvus-et-tardus is a slow rising pulse with delayed systolic peak. It is seen in severe AS.