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Updated: Jan 17, 2026

In vitro Assessment of Aortic Regurgitation Using Four-Dimensional Flow Magnetic Resonance Imaging
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深度学习以诊断心回:一个外部验证研究.

Ido Cohen1,2, Jeffrey G Malins3, Michal Cohen-Shelly1,4,5

  • 1Leviev Cardiovascular Institute, Sheba Medical Center, Derech Sheba 2, Tel HaShomer, Ramat Gan 52621, Israel.

European heart journal. Digital health
|September 23, 2025
PubMed
概括

人工智能 (AI) 在诊断心声图中的 mitra 和 tricuspid 吐时显示出高准确度,这可能会改善对心脏诊断的准入. 对于现实世界的应用,需要进一步验证.

关键词:
人工智能的人工智能是人工智能.在心房门的吐.心声回声扫描 (Echocardiography) 是一种心声回声扫描.外部验证的验证方法机器学习 机器学习伴手回是什么意思 伴手回是什么意思三柱吐的情况.

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Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...
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IntroductionAortic regurgitation is characterized by the backward flow of blood from the aorta into the left ventricle during diastole and arises from the improper closure of the aortic valve. This condition results in left ventricular volume overload and can stem from both acute and chronic etiologies, each contributing uniquely to the disease's progression and symptomatology.Acute and Chronic CausesAcute aortic regurgitation often results from events that suddenly impair the integrity of the...
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Mitral regurgitation is characterized by the backward circulation of blood from the left ventricle to the left atrium during systole, a phase of the cardiac cycle when the heart contracts and pumps blood out of the chambers. This abnormal flow occurs primarily due to the dysfunction of the mitral valve or its supporting structures, which include the mitral leaflets, chordae tendineae, annulus, and papillary muscles.Etiology and Mechanisms:Primary Mitral Regurgitation: This type arises from...
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Mitral Regurgitation II: Clinical Features and Diagnostic Tests01:23

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Mitral regurgitation (MR) is a valvular heart disorder in which the mitral valve fails to close tightly, allowing blood to leak backward into the heart. Understanding the clinical manifestations, assessment, diagnostic findings, and medical management of MR is crucial to effectively managing affected patients.Clinical Manifestations of Mitral RegurgitationMitral regurgitation can be acute or chronic, each presenting differently and requiring different approaches:1. Acute Mitral...
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