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What is A 68-year-old man presents with progressive shoness of breath. He had a metallic hea valve replacement 13 years ago for severe aoic stenosis. Which of the following clinical findings is most indicative of a failing aoic valve replacement? and explain in detail?
Option B: Early diastolic murmur heard at left sternal edge We know if metallic valves get older & undergo on sheering stress, so there will be backflow of blood from aoa to L.V so early diastolic murmur heard at left sternal edge. Severe aoic stenosis : 1.Transvalvular pressure gradient of > 40 mmHg. 2. Ejection velocity - >4 m/sec 3. Size of orifice - < 0.6 cm2/ m2 BSA