In Doppler echocardiography the pulmonary alular pressure gradients is 76.64 ± 26.61 mmHg, moderate pulmonary stenosis: 44%, severe pulmonary stenosis: 56%.
Trên siêu âm tim chênh áp qua van ĐMP 76,64 ± 26,61 mmHg, hẹp van ĐMP trung bình 44%, hẹp nặng là 56%.