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Related Concept Videos

Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

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...
Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

Imaging Studies II: Positron Emission Tomography and Scintigraphy

Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
Fundamental Principles of PET
Imaging Studies for Cardiovascular System IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

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,...
Imaging Studies for Cardiovascular System III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
Imaging Studies for Cardiovascular System I:Echocardiography01:17

Imaging Studies for Cardiovascular System I:Echocardiography

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, evaluates...
Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...

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Related Experiment Video

Updated: May 16, 2026

Cardiac Magnetic Resonance for the Evaluation of Suspected Cardiac Thrombus: Conventional and Emerging Techniques
06:29

Cardiac Magnetic Resonance for the Evaluation of Suspected Cardiac Thrombus: Conventional and Emerging Techniques

Published on: June 11, 2019

Cardiac autonomic imaging with SPECT tracers.

Mark I Travin1

  • 1Division of Nuclear Medicine, Department of Radiology, Montefiore Medical Center, Albert Einstein College of Medicine, 111 East-210th Street, Bronx, NY 10467-2490, USA. mtravin@montefiore.org

Journal of Nuclear Cardiology : Official Publication of the American Society of Nuclear Cardiology
|November 29, 2012
PubMed
Summary

Cardiac autonomic imaging using (123)I-meta-iodobenzylguanidine ((123)I-mIBG) shows strong correlation with heart failure severity and arrhythmias. This technique aids in prognosis and therapy monitoring, potentially improving patient selection for advanced treatments.

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Last Updated: May 16, 2026

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06:29

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Published on: June 11, 2019

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In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography
08:13

In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography

Published on: February 16, 2016

Area of Science:

  • Nuclear cardiology
  • Molecular imaging
  • Autonomic nervous system function

Background:

  • Cardiac autonomic dysfunction is a key factor in heart failure and arrhythmias.
  • Assessing cardiac autonomic innervation is crucial for understanding disease progression and prognosis.
  • Current methods for evaluating cardiac autonomic function have limitations.

Purpose of the Study:

  • To evaluate the utility of Iodine-123 meta-iodobenzylguanidine ((123)I-mIBG) imaging for assessing cardiac autonomic innervation.
  • To explore the correlation between (123)I-mIBG uptake and clinical parameters in cardiac disease.
  • To investigate the potential of (123)I-mIBG imaging in risk stratification and therapy response monitoring.

Main Methods:

  • Utilized planar and SPECT imaging techniques to assess cardiac (123)I-mIBG uptake.
  • Quantified tracer uptake using heart-to-mediastinal ratios and analyzed tracer washout.
  • Evaluated focal defects on tomographic images.

Main Results:

  • Cardiac (123)I-mIBG findings strongly correlate with heart failure severity and predisposition to arrhythmias.
  • Uptake and washout patterns are independent predictors of prognosis compared to conventional parameters.
  • (123)I-mIBG imaging demonstrates potential in diagnosing ischemic heart disease and risk-stratifying diabetic patients.

Conclusions:

  • Cardiac (123)I-mIBG imaging is a promising technique for evaluating cardiac autonomic innervation.
  • This imaging modality can aid in monitoring disease progression and response to therapy.
  • Further research in larger populations is needed to refine its clinical application and influence guidelines.