Stenosis mnemonics by Qt:
Stenosis: is the condition in which the valve is too stiff to open fully. When I think of 'stenosis', I think of some barriers standing in the way of an otherwise open door blocking the people behind to door to get out completely. So, these people have to get out of the door more slowly and thus they moan (murmur).  ~by Qt

Regurgitation mnemonics by Qt:
Regurgitation: is the condition in which the valve fails to close fully leading to the regurgitation of blood flow. When I think of regurgitation, I think of the erupt of blood thru the failed-to-close valve in a normally closed valve (visualize: acne erupts thru the closed barriers of skin) ~by Qt