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Related Concept Videos

Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

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Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
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Imaging Studies for Cardiovascular System II:Types of Echocardiography01:20

Imaging Studies for Cardiovascular System II:Types of Echocardiography

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Echocardiography plays a role in assessing cardiac health and detecting heart conditions, with various types providing critical insights for diagnosis and treatment.
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for...
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Imaging Studies for Cardiovascular System IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

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Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
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Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

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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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Cardiac Catheterization III: Left Heart Catheterization01:24

Cardiac Catheterization III: Left Heart Catheterization

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Left heart catheterization is an invasive diagnostic procedure used to evaluate the function and structure of the left side of the heart. It is generally performed to diagnose and treat cardiovascular conditions such as valve abnormalities, coronary artery disease, and congenital heart defects.Diagnostic and therapeutic purposesLeft heart catheterization serves various diagnostic and therapeutic purposes, including:Assessing coronary artery bypass grafts.Evaluating coronary artery disease in...
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Imaging Studies VII: Vascular Imaging01:19

Imaging Studies VII: Vascular Imaging

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DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
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Related Experiment Video

Updated: Apr 26, 2026

Improved Registration of 3D CT Angiography with X-ray Fluoroscopy for Image Fusion During Transcatheter Aortic Valve Implantation
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Multimodality imaging in transcatheter aortic valve replacement.

Thomas W Smith, William J Bommer1

  • 1Division of Cardiovascular Medicine, Department of Internal Medicine, University of California-Davis, Sacramento, CA.

Reviews in Cardiovascular Medicine
|July 23, 2014
PubMed
Summary
This summary is machine-generated.

Transcatheter aortic valve replacement (TAVR) significantly improves care for severe aortic stenosis in elderly patients. Advanced multimodality imaging is crucial for TAVR success, guiding patient selection, procedures, and follow-up.

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Area of Science:

  • Cardiovascular Medicine
  • Medical Imaging
  • Interventional Cardiology

Background:

  • Severe aortic stenosis poses a significant health challenge, particularly for elderly patients.
  • Transcatheter aortic valve replacement (TAVR) has emerged as a transformative treatment option.
  • Technological advancements in device delivery and imaging have driven TAVR's progress.

Purpose of the Study:

  • To highlight the pivotal role of multimodality imaging in TAVR.
  • To discuss how various imaging modalities contribute to patient management in TAVR.
  • To underscore the impact of imaging on TAVR outcomes and future directions.

Main Methods:

  • Review of primary imaging modalities used in TAVR: transthoracic echocardiography, transesophageal echocardiography, computed tomography, and fluoroscopy.
  • Analysis of the application of these modalities across different stages of TAVR: patient selection, procedural guidance, and post-procedural monitoring.
  • Integration of imaging advancements with evolving TAVR device technology.

Main Results:

  • Multimodality imaging is integral to all phases of TAVR, from initial assessment to long-term follow-up.
  • Each imaging modality offers unique insights, collectively enhancing patient selection and procedural accuracy.
  • The synergy between imaging and device innovation optimizes patient safety and treatment efficacy.

Conclusions:

  • Multimodality imaging is indispensable for successful transcatheter aortic valve replacement.
  • Continued advancements in imaging technologies will further refine TAVR procedures and patient care.
  • The integration of imaging and device development is key to the future of cardiovascular interventions for aortic stenosis.