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*Cats with low atrial septal defects are likely to have an endocardial cushion defect complex
*Cats with low atrial septal defects are likely to have an endocardial cushion defect complex
===Diagnosis===
===Diagnosis===
*pleural effusion
*pleural effusion
====Physical Exam====
====Physical Exam====
-Soft diastolic murmur on right side (tricuspid stenosis; RARE)
-Soft diastolic murmur on right side (tricuspid stenosis; RARE)
====Radiographic Findings====
====Radiographic Findings====
-Pulmonary overcirculation
-Pulmonary overcirculation
====Echocardiographic Findings====
====Echocardiographic Findings====
Doppler exam will document abnormal flow through defect
Doppler exam will document abnormal flow through defect
====Electrocardiographic (ECG)====
====Electrocardiographic (ECG)====
-Normal or pattern of right ventricular enlargement
-Normal or pattern of right ventricular enlargement
===Treatment===
===Treatment===
-Severe atrial septal defects may need pulmonary artery banding (decreases pulmonary blood flow and therefore volume overload), but this procedure is often only palliative
-Severe atrial septal defects may need pulmonary artery banding (decreases pulmonary blood flow and therefore volume overload), but this procedure is often only palliative
===Prognosis===
===Prognosis===
-Depends on the severity of the atrial septal defect and any other additional defects
-Depends on the severity of the atrial septal defect and any other additional defects