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Related Concept Videos

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 VII: Vascular Imaging01:19

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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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Imaging Studies for Cardiovascular System IV: CMRI01:21

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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 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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Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation01:21

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Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
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Imaging Studies for Cardiovascular System I:Echocardiography01:17

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Cardiac imaging studies encompass a wide range of noninvasive and minimally invasive techniques designed to visualize the heart's structure and function in detail. One such technique is echocardiography, which uses high-frequency ultrasound waves to produce detailed images of the heart, known as echocardiograms.
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion,...
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Non-invasive Assessment of Microvascular and Endothelial Function
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Cardiovascular Imaging Techniques to Assess Microvascular Dysfunction.

Roshin C Mathew1, Jamieson M Bourque2, Michael Salerno3

  • 1Department of Medicine (Cardiology), University of Virginia Health System, Charlottesville, Virginia.

JACC. Cardiovascular Imaging
|October 15, 2019
PubMed
Summary
This summary is machine-generated.

Understanding microvascular dysfunction, distinct from epicardial coronary artery disease, is improving. Advances in noninvasive cardiac imaging now allow for better detection and quantification of this condition, aiding research into its causes and treatments.

Keywords:
cardiac magnetic resonancecomputed tomographyechocardiographymicrovascular dysfunctionpositron emission tomographyquantitative perfusion

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Area of Science:

  • Cardiology
  • Medical Imaging
  • Physiology

Background:

  • Microvascular dysfunction without epicardial coronary artery disease is less understood than obstructive coronary artery disease.
  • Historically, a lack of noninvasive detection and quantification methods has hindered research.
  • This gap has limited studies on the pathophysiology, morbidity, and treatment of microvascular dysfunction.

Purpose of the Study:

  • To highlight the advancements in noninvasive methods for studying microvascular dysfunction.
  • To emphasize the role of new imaging techniques in understanding this condition.

Main Methods:

  • Utilizing various noninvasive cardiac imaging modalities.
  • Quantifying blood flow to assess microvascular function.

Main Results:

  • Recent advancements in noninvasive cardiac imaging have enabled quantification of blood flow.
  • These techniques are significantly improving the understanding of microvascular dysfunction.

Conclusions:

  • Noninvasive cardiac imaging modalities are crucial for advancing the study of microvascular dysfunction.
  • Improved detection and quantification pave the way for better research into pathophysiology and treatment.