Ronald H. Wharton, MD: Greetings. This is Ronald Wharton. I am a cardiologist at Montefiore Medical Center, Bronx, New York, and assistant professor of medicine at the Albert Einstein College of ...
Accurate diagnosis of a PDA requires echocardiography. Echocardiography together with Doppler and color Doppler allows assessment of patency, diameter of the DA (using color Doppler), and direction of ...