2c260acc_n_for_Animals__Cardiac_Disease__Congenital_Defect
[Typical Auscultatory Features] Systolic murmur with maximal intensity over the pulmonic valve area and pulmonary artery. The second heart sound may be widely split The septal defect can generally be imaged in multiple imaging planes. Abnormal blood flow may be identified across the septal defect into the right atrium. [Congenital Defect] 
Atrial septal defect
Orthopedic Foundation for Animals: Cardiac Disease
Congenital Defect