Home > All Conditions > Marie Noelle Langan, MD Marie Noelle Langan, MD Name: Marie Noelle Langan, MD Speciality: Cardiac Electrophysiology Joined: 20/07/2008 City: New York State: New York Country:: United States My Videos Automatic External Defibrillator 1639 Views Your Hearts Ejection Fraction, What is it? 2360 Views