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Related Concept Videos

Aortic Regurgitation I: Introduction01:15

Aortic Regurgitation I: Introduction

3
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...
3
Aortic Regurgitation IV: Nursing Management01:17

Aortic Regurgitation IV: Nursing Management

12
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...
12
Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

4
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...
4
Mitral Regurgitation III: Medical Management01:25

Mitral Regurgitation III: Medical Management

4
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...
4
Rheumatic Heart Disease I: Introduction01:23

Rheumatic Heart Disease I: Introduction

3
Rheumatic heart disease or RHD is a chronic condition that results from rheumatic fever, causing permanent damage to the heart valves.Etiology and Risk FactorsIt primarily arises from rheumatic fever, an inflammatory disease that can develop after untreated or inadequately treated group A streptococcal (GAS) pharyngitis. Streptococcus spreads through direct contact with oral or respiratory secretions. While the bacteria are the causative agents, factors like malnutrition, overcrowding, poor...
3
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

2
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...
2

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Related Experiment Video

Updated: Jun 8, 2025

Surgically Induced Cardiac Volume Overload by Aortic Regurgitation in Mouse
08:20

Surgically Induced Cardiac Volume Overload by Aortic Regurgitation in Mouse

Published on: August 30, 2022

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Granulomatosis With Polyangiitis Causing Severe Aortic Regurgitation.

Katarina L Fabre1, Megan Ellis1, Katlin T Schmitz1

  • 1Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota, USA.

JACC. Case Reports
|November 1, 2024
PubMed
Summary

Granulomatosis with polyangiitis, a rare vasculitis, can cause acute aortic valve regurgitation. Early diagnosis and treatment with immunosuppressants and possibly surgery are key for managing this cardiac condition.

Keywords:
aortic regurgitationgranulomatosis with polyangiitisvasculitis

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Last Updated: Jun 8, 2025

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Area of Science:

  • Cardiology
  • Rheumatology
  • Vascular Medicine

Background:

  • Granulomatosis with polyangiitis (GPA) is a rare small-to-medium vessel necrotizing vasculitis.
  • Cardiac involvement in GPA is uncommon but can be severe.

Observation:

  • This case highlights GPA presenting as acute aortic valve regurgitation.
  • Imaging demonstrated aortic valve thickening and inflammation, but not destruction.

Findings:

  • GPA can lead to significant cardiac dysfunction, specifically aortic valve regurgitation.
  • Inflammatory processes in GPA may affect heart valves without causing immediate structural destruction.

Implications:

  • Prompt diagnosis and management of GPA are crucial to prevent irreversible cardiac damage.
  • Treatment strategies include immunosuppression (glucocorticoids, rituximab) and consideration of surgical intervention for severe valve disease.