valvular regurgitation造句

• 4 . to test a new method of measuring pulmonary pressure , which is independent of pulmonary valvular regurgitation , and a new menthod of measuring left ventricular end - diastolic pressure using doppler echocardiography
  根据新假说，探讨临床无创测定肺动脉压和左室舒张末压新方法，为呼吸影响心功能机制新假说的实际临床应用打下基础。