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Related Concept Videos

Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

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...
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

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...
Aortic Regurgitation III: Medical Management01:25

Aortic Regurgitation III: Medical Management

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...
Aortic Regurgitation IV: Nursing Management01:17

Aortic Regurgitation IV: Nursing Management

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...
Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

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...
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...

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Surgically Induced Cardiac Volume Overload by Aortic Regurgitation in Mouse
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A quadricuspid aortic valve causing moderate aortic regurgitation.

Eftal Murat Bakirci1, Sakir Arslan, Husnu Degirmenci

  • 1Department of Cardiology, Ataturk University, Erzurum, Turkey. eftalka@yahoo.com

Cardiology Journal
|December 11, 2012
PubMed
Summary

Quadricuspid aortic valve (QAV) is a rare congenital heart defect causing aortic regurgitation. This case highlights QAV leading to severe mitral regurgitation and left ventricular dysfunction in a 70-year-old man.

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Area of Science:

  • Cardiology
  • Congenital Heart Disease

Background:

  • Quadricuspid aortic valve (QAV) is a rare congenital anomaly.
  • It is an infrequent cause of aortic regurgitation.
  • QAV is often discovered incidentally during cardiac evaluations.

Observation:

  • A 70-year-old male presented with a five-month history of dyspnea.
  • Echocardiography revealed a quadricuspid aortic valve.
  • The patient exhibited moderate aortic regurgitation, severe mitral regurgitation, and left ventricular dysfunction.

Findings:

  • The quadricuspid aortic valve was the primary cause of the patient's aortic regurgitation.
  • Associated findings included severe mitral regurgitation and left ventricular dysfunction.
  • Aortic root dilatation was also noted on echocardiography.

Implications:

  • This case underscores the potential severity of quadricuspid aortic valve complications.
  • QAV can lead to significant valvular dysfunction and heart failure.
  • Timely diagnosis and management are crucial for patients with QAV.