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Atrial Septal Defects
Carlos A. Rojas, MD; Suhny Abbara, MD, FACR, FSCCT; Brett W. Carter, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Clinical Issues

          TERMINOLOGY

          • Abbreviations

            • Atrial septal defect (ASD)
          • Definitions

            • Interatrial septum defects allow left-to-right shunt

          IMAGING

          • General Features

            • Radiographic Findings

              • CT Findings

                • MR Findings

                  • Echocardiographic Findings

                    • Angiographic Findings

                      • Imaging Recommendations

                        DIFFERENTIAL DIAGNOSIS

                          PATHOLOGY

                          • General Features

                            CLINICAL ISSUES

                            • Presentation

                              • Demographics

                                • Natural History & Prognosis

                                  • Treatment

                                    DIAGNOSTIC CHECKLIST

                                    • Consider

                                      Selected References

                                      1. Ranganath P et al: Computed tomography in adult congenital heart disease. Radiol Clin North Am. 57(1):85-111, 2019
                                      2. Yamasaki Y et al: Noninvasive quantification of left-to-right shunt by phase contrast magnetic resonance imaging in secundum atrial septal defect: the effects of breath holding and comparison with invasive oximetry. Int J Cardiovasc Imaging. 34(6):931-37, 2018
                                      3. Saremi F et al: Septal atrioventricular junction region: comprehensive imaging in adults. Radiographics. 36(7):1966-86, 2016
                                      4. Johri AM et al: Imaging of atrial septal defects: echocardiography and CT correlation. Heart. 97(17):1441-53, 2011
                                      5. Rojas CA et al: Embryology and developmental defects of the interatrial septum. AJR Am J Roentgenol. 195(5):1100-4, 2010
                                      6. Kafka H et al: Cardiac MRI and pulmonary MR angiography of sinus venosus defect and partial anomalous pulmonary venous connection in cause of right undiagnosed ventricular enlargement. AJR Am J Roentgenol. 192(1):259-66, 2009
                                      7. Lee T et al: MDCT evaluation after closure of atrial septal defect with an Amplatzer septal occluder. AJR Am J Roentgenol. 188(5):W431-9, 2007
                                      8. Piaw CS et al: Use of non-invasive phase contrast magnetic resonance imaging for estimation of atrial septal defect size and morphology: a comparison with transesophageal echo. Cardiovasc Intervent Radiol. 29(2):230-4, 2006
                                      9. Webb G et al: Atrial septal defects in the adult: recent progress and overview. Circulation. 114(15):1645-53, 2006
                                      10. Bothén NF et al: Diverticula and duplications (enterogenous cysts) of the stomach and duodenum. Am J Roentgenol Radium Ther Nucl Med. 96(2):375-81, 1966
                                      Related Anatomy
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                                      Related Differential Diagnoses
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                                      References
                                      Tables

                                      Tables

                                      KEY FACTS

                                      • Terminology

                                        • Imaging

                                          • Top Differential Diagnoses

                                            • Clinical Issues

                                              TERMINOLOGY

                                              • Abbreviations

                                                • Atrial septal defect (ASD)
                                              • Definitions

                                                • Interatrial septum defects allow left-to-right shunt

                                              IMAGING

                                              • General Features

                                                • Radiographic Findings

                                                  • CT Findings

                                                    • MR Findings

                                                      • Echocardiographic Findings

                                                        • Angiographic Findings

                                                          • Imaging Recommendations

                                                            DIFFERENTIAL DIAGNOSIS

                                                              PATHOLOGY

                                                              • General Features

                                                                CLINICAL ISSUES

                                                                • Presentation

                                                                  • Demographics

                                                                    • Natural History & Prognosis

                                                                      • Treatment

                                                                        DIAGNOSTIC CHECKLIST

                                                                        • Consider

                                                                          Selected References

                                                                          1. Ranganath P et al: Computed tomography in adult congenital heart disease. Radiol Clin North Am. 57(1):85-111, 2019
                                                                          2. Yamasaki Y et al: Noninvasive quantification of left-to-right shunt by phase contrast magnetic resonance imaging in secundum atrial septal defect: the effects of breath holding and comparison with invasive oximetry. Int J Cardiovasc Imaging. 34(6):931-37, 2018
                                                                          3. Saremi F et al: Septal atrioventricular junction region: comprehensive imaging in adults. Radiographics. 36(7):1966-86, 2016
                                                                          4. Johri AM et al: Imaging of atrial septal defects: echocardiography and CT correlation. Heart. 97(17):1441-53, 2011
                                                                          5. Rojas CA et al: Embryology and developmental defects of the interatrial septum. AJR Am J Roentgenol. 195(5):1100-4, 2010
                                                                          6. Kafka H et al: Cardiac MRI and pulmonary MR angiography of sinus venosus defect and partial anomalous pulmonary venous connection in cause of right undiagnosed ventricular enlargement. AJR Am J Roentgenol. 192(1):259-66, 2009
                                                                          7. Lee T et al: MDCT evaluation after closure of atrial septal defect with an Amplatzer septal occluder. AJR Am J Roentgenol. 188(5):W431-9, 2007
                                                                          8. Piaw CS et al: Use of non-invasive phase contrast magnetic resonance imaging for estimation of atrial septal defect size and morphology: a comparison with transesophageal echo. Cardiovasc Intervent Radiol. 29(2):230-4, 2006
                                                                          9. Webb G et al: Atrial septal defects in the adult: recent progress and overview. Circulation. 114(15):1645-53, 2006
                                                                          10. Bothén NF et al: Diverticula and duplications (enterogenous cysts) of the stomach and duodenum. Am J Roentgenol Radium Ther Nucl Med. 96(2):375-81, 1966