system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Soft S1 is seen in all except:
assistant
The correct answer is  MS: | Trans-valvular gradient, faster opening and faster elastic recoil - l/t loud S1 Option A- Causes bradycardia l/t soft S1 Option B- Blood comes black in LV, so increased volume in L.V during diastole d/t defective aoic valve closure blood comes back into the ventricle.The gradient stas reducing so l/t soft S1 sound. Option C -S1 become Soft once valve get calcified.