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Ultrasound
Diagnosis
Vascular
Chest and Abdomen
Aorta and Vena Cava
Aortoiliac Occlusive Disease
Aortoiliac Occlusive Disease
Sheila Sheth, MD; Simon S. M. Ho, MBBS, FRCR
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Clinical Issues

            TERMINOLOGY

            • Definitions

              • Stenosis
                • Area with diameter narrowing of arterial lumen
                • Hemodynamic consequences: Localized increased in blood flow velocity at/near site of stenosis
                  • Increase in velocity proportional to diameter narrowing
                  • Turbulent flow with spectral broadening occurs distal to stenosis and is caused by nonlaminar blood flow
              • Occlusion
                • Area where lumen completely blocked with absent flow

            IMAGING

            • Ultrasonographic Findings

              • Imaging Recommendations

                DIFFERENTIAL DIAGNOSIS

                  PATHOLOGY

                  • General Features

                    CLINICAL ISSUES

                    • Presentation

                      • Treatment

                        DIAGNOSTIC CHECKLIST

                        • Consider

                          • Image Interpretation Pearls

                            Selected References

                            1. Crawford JD et al: A modern series of acute aortic occlusion. J Vasc Surg. 59(4):1044-50, 2014
                            2. Zwiebel WJ et al: Introduction to Vascular Ultrasonography. 5th ed. Philadelphia: Elsevier. 254-569, 2005
                            3. Dormandy JA et al: Management of peripheral arterial disease (PAD). TASC Working Group. TransAtlantic Inter-Society Consensus (TASC). J Vasc Surg. 31(1 Pt 2):S1-S296, 2000
                            Related Anatomy
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                            Related Differential Diagnoses
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                            References
                            Tables

                            Tables

                            KEY FACTS

                            • Terminology

                              • Imaging

                                • Top Differential Diagnoses

                                  • Pathology

                                    • Clinical Issues

                                      TERMINOLOGY

                                      • Definitions

                                        • Stenosis
                                          • Area with diameter narrowing of arterial lumen
                                          • Hemodynamic consequences: Localized increased in blood flow velocity at/near site of stenosis
                                            • Increase in velocity proportional to diameter narrowing
                                            • Turbulent flow with spectral broadening occurs distal to stenosis and is caused by nonlaminar blood flow
                                        • Occlusion
                                          • Area where lumen completely blocked with absent flow

                                      IMAGING

                                      • Ultrasonographic Findings

                                        • Imaging Recommendations

                                          DIFFERENTIAL DIAGNOSIS

                                            PATHOLOGY

                                            • General Features

                                              CLINICAL ISSUES

                                              • Presentation

                                                • Treatment

                                                  DIAGNOSTIC CHECKLIST

                                                  • Consider

                                                    • Image Interpretation Pearls

                                                      Selected References

                                                      1. Crawford JD et al: A modern series of acute aortic occlusion. J Vasc Surg. 59(4):1044-50, 2014
                                                      2. Zwiebel WJ et al: Introduction to Vascular Ultrasonography. 5th ed. Philadelphia: Elsevier. 254-569, 2005
                                                      3. Dormandy JA et al: Management of peripheral arterial disease (PAD). TASC Working Group. TransAtlantic Inter-Society Consensus (TASC). J Vasc Surg. 31(1 Pt 2):S1-S296, 2000
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