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Related Concept Videos

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

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Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
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Atherosclerosis I: Introduction01:30

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Atherosclerosis is a progressive disorder characterized by the buildup of plaques on the arterial inner wall, causing them to narrow and harden over time. These plaques comprise lipids, calcium, blood components, carbohydrates, and fibrous tissue. The process primarily affects the intima of large and medium-sized arteries, reducing blood flow in any artery.Etiology and risk factorsThe cause of atherosclerosis is multifactorial, involving a complex interplay among endothelial injury, lipid...
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Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

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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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Mitral Stenosis I: Introduction01:22

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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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Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

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Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
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Aortic Regurgitation I: Introduction01:15

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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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Related Experiment Video

Updated: Apr 6, 2026

Isolation of Mouse Interstitial Valve Cells to Study the Calcification of the Aortic Valve In Vitro
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Calcification in Aortic Stenosis: The Skeleton Key.

Tania A Pawade1, David E Newby1, Marc R Dweck2

  • 1British Heart Foundation/University of Edinburgh Centre for Cardiovascular Science, Edinburgh, United Kingdom; Edinburgh Heart Centre, NHS Lothian, Edinburgh, United Kingdom.

Journal of the American College of Cardiology
|August 1, 2015
PubMed
Summary
This summary is machine-generated.

Aortic stenosis, a growing health issue, is not just wear and tear but a complex process involving calcification. Understanding this pathophysiology may lead to new treatments for aortic valve disease.

Keywords:
aortic valvecalcification ofcalcinosiscalciumcomputed tomographydiphosphonatespositron emission tomography

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Investigating Aortic Valve Calcification via Isolation and Culture of T Lymphocytes using Feeder Cells from Irradiated Buffy Coat
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Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation
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Related Experiment Videos

Last Updated: Apr 6, 2026

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Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation
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Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation

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Area of Science:

  • Cardiovascular Medicine
  • Pathophysiology
  • Biomineralization

Background:

  • Aortic stenosis (AS) is a prevalent and serious condition with increasing public health impact.
  • Current treatments for symptomatic AS are limited, with aortic valve replacement being the primary option, unsuitable for all patients.
  • The traditional view of AS as a degenerative 'wear and tear' process is being replaced by an understanding of it as a regulated pathological calcification.

Purpose of the Study:

  • To review the pathophysiology of aortic stenosis, focusing on the role of calcification.
  • To discuss the noninvasive imaging techniques for visualizing and monitoring AS progression.
  • To explore how a deeper understanding of AS pathophysiology can inform the development of novel disease-modifying therapies.

Main Methods:

  • Literature review of current research on aortic stenosis pathophysiology.
  • Analysis of the role of regulated calcification in aortic valve disease.
  • Examination of noninvasive imaging modalities for assessing aortic valve calcification.

Main Results:

  • Aortic stenosis pathophysiology involves complex, regulated processes similar to bone formation, not merely degenerative changes.
  • Calcification is a key feature of aortic stenosis, amenable to monitoring via noninvasive imaging.
  • Emerging insights into the molecular mechanisms of calcification offer potential therapeutic targets.

Conclusions:

  • Aortic stenosis is a complex, regulated pathological process driven by calcification, with implications for treatment.
  • Noninvasive imaging plays a crucial role in monitoring disease progression and guiding therapeutic strategies.
  • Further research into the pathophysiology of aortic stenosis calcification is essential for developing effective disease-modifying treatments.