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    Heart Defects Causing Extra Blood Flow Through the Lungs

    Heart defects that cause too much blood flow through the lungs require clinical care by a physician or other healthcare professional. Listed in the directory below are some of these defects, for which we have provided a brief overview.

    Patent Ductus Arteriosus (PDA)

    Atrial Septal Defect (ASD)

    Ventricular Septal Defect (VSD)

    Atrioventricular Canal (AV Canal or AVC)