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Related Concept Videos

Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

536
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...
536
Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

416
Aortic regurgitation (AR) is when the aortic valve does not close or seal properly, leading to backward blood circulation from the aorta into the left ventricle during diastole. Common causes of AR include rheumatic heart disease, congenital valve defects, and aortic root dilation. Managing AR requires a multifaceted approach to alleviate symptoms, preserve left ventricular function, and address the underlying cause of the regurgitation. Patients with symptomatic AR or significant left...
416
Aortic Regurgitation IV: Nursing Management01:17

Aortic Regurgitation IV: Nursing Management

297
A nurse managing a patient with aortic regurgitation begins with a comprehensive assessment, including a review of the patient's medical history, family history, and lifestyle factors. During the cardiac examination, the nurse listens for heart sounds and checks for signs of valve abnormalities. The nurse also observes for symptoms such as dyspnea, orthopnea, and paroxysmal nocturnal dyspnea and assesses the patient's endurance and daily activity tolerance.Based on the findings, the nurse...
297
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

441
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...
441
Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

452
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...
452
Mitral Regurgitation III: Medical Management01:25

Mitral Regurgitation III: Medical Management

303
Mitral regurgitation (MR) is characterized by retrograde blood circulation from the left ventricle into the left atrium due to inadequate mitral valve closure. The severity of the condition, symptoms, and underlying cause determine treatment strategies.Monitoring and Pharmacological TreatmentPatients with mild to moderate MR typically do not need immediate intervention but regular monitoring to assess progression and guide treatment. Patients with mild MR should have an echocardiogram every 3-5...
303

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Related Experiment Video

Updated: Jan 23, 2026

Surgically Induced Cardiac Volume Overload by Aortic Regurgitation in Mouse
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Aortic Regurgitation.

Nir Flint1,2, Nina C Wunderlich3, Hezzy Shmueli1,2

  • 1Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA.

Current Cardiology Reports
|June 5, 2019
PubMed
Summary
This summary is machine-generated.

Aortic regurgitation (AR) diagnosis and treatment require a comprehensive, multi-parametric approach. Echocardiography is crucial for assessing AR severity and guiding interventions like TAVR for eligible patients.

Keywords:
Aortic regurgitationDiagnosisEchocardiographyEtiologySurgical therapyTAVRTreatment

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Area of Science:

  • Cardiology
  • Valvular Heart Disease
  • Diagnostic Imaging

Background:

  • Aortic regurgitation (AR) is a common valvular disease involving aortic to left ventricle diastolic blood reflux.
  • Etiologies affect aortic valve cusps or root, with clinical presentation varying by severity and onset (acute vs. chronic).
  • Echocardiography is the primary diagnostic tool for AR etiology and severity assessment.

Purpose of the Study:

  • To review current data on the diagnosis and treatment of aortic regurgitation.
  • To emphasize the need for an integrative, multi-parametric approach to AR assessment.
  • To discuss the role of echocardiography and emerging therapies in AR management.

Main Methods:

  • Review of current clinical data and echocardiographic findings in AR.
  • Multi-parametric assessment including echocardiography for valve morphology, flow, and cardiac dimensions.
  • Evaluation of 3D echocardiography for AR etiology and severity.

Main Results:

  • No single parameter suffices for AR severity; an integrative approach is essential.
  • Echocardiography is vital for evaluating aortic valve, root, ascending aorta, and left ventricular function.
  • Transcatheter aortic valve replacement (TAVR) is an option for high-risk surgical patients.

Conclusions:

  • Comprehensive diagnosis and management of AR necessitate routine clinical and echocardiographic follow-up.
  • Intervention (surgical or percutaneous) is indicated for symptomatic patients or those with LV dysfunction/dilation.
  • An integrated approach combining imaging and clinical assessment optimizes AR patient care.