Question: who echo criteria for rhd?
Answer: Echocardiographic criteria for individuals aged >20 years Definite RHD (either A, B, C, or D): A) Pathological MR and at least two morphological features of RHD of the MV. B) MS mean gradient ≥4 mmHg. C) Pathological AR and at least two morphological features of RHD of the AV, only in individuals aged <35 years.