Patent Foramen Ovale and Stroke

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Presentation transcript:

Patent Foramen Ovale and Stroke Steven C. Horton, MD, T. Jared Bunch, MD Mayo Clinic Proceedings Volume 79, Issue 1, Pages 79-88 (January 2004) DOI: 10.4065/79.1.79 Copyright © 2004 Mayo Foundation for Medical Education and Research Terms and Conditions

Figure 1 Early atrial developmental anatomy up to 3 months of gestation. The arrow indicates the shunting of blood through the foramen ovale and the ostium secundum and into the left atrium. Mayo Clinic Proceedings 2004 79, 79-88DOI: (10.4065/79.1.79) Copyright © 2004 Mayo Foundation for Medical Education and Research Terms and Conditions

Figure 2 Embryological cardiac development at 3 months of gestation. AV = atrioventricular; LV = left ventricle; RV = right ventricle. Mayo Clinic Proceedings 2004 79, 79-88DOI: (10.4065/79.1.79) Copyright © 2004 Mayo Foundation for Medical Education and Research Terms and Conditions

Figure 3 Transesophageal echocardiogram of a patent foramen ovale (arrow). AV = aortic valve; EV = eustachian valve; LA = left atrium; RA = right atrium; RV = right ventricle. Mayo Clinic Proceedings 2004 79, 79-88DOI: (10.4065/79.1.79) Copyright © 2004 Mayo Foundation for Medical Education and Research Terms and Conditions

Figure 4 Atrial septal aneurysm. LA = left atrium; RA = right atrium. Mayo Clinic Proceedings 2004 79, 79-88DOI: (10.4065/79.1.79) Copyright © 2004 Mayo Foundation for Medical Education and Research Terms and Conditions

Figure 5 Transesophageal echocardiograms of a clot (arrows) traversing a patent foramen ovale. AV = aortic valve; LA = left atrium; RA = right atrium. Mayo Clinic Proceedings 2004 79, 79-88DOI: (10.4065/79.1.79) Copyright © 2004 Mayo Foundation for Medical Education and Research Terms and Conditions

Figure 6 Autopsy specimen of a clot (arrow) passing through a patent foramen ovale (PFO). PV = pulmonary vein. Photograph courtesy of William D. Edwards, MD, and Dylan V. Miller, MD, Department of Laboratory Medicine and Pathology, Mayo Clinic College of Medicine, Rochester, Minn. Mayo Clinic Proceedings 2004 79, 79-88DOI: (10.4065/79.1.79) Copyright © 2004 Mayo Foundation for Medical Education and Research Terms and Conditions

Figure 7 Transesophageal echocardiogram of an Amplatzer percutaneous closure device (arrows). LA = left atrium; RA = right atrium. Photograph courtesy of Naser M. Ammash, MD, Division of Cardiovascular Diseases, Mayo Clinic College of Medicine, Rochester, Minn. Mayo Clinic Proceedings 2004 79, 79-88DOI: (10.4065/79.1.79) Copyright © 2004 Mayo Foundation for Medical Education and Research Terms and Conditions