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Related Concept Videos

Positron Emission Tomography01:29

Positron Emission Tomography

Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body being...
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 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...
Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
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 VI: Calcium -Scoring CT01:25

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

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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High-Resolution Cardiac Positron Emission Tomography/Computed Tomography for Small Animals
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Published on: December 16, 2022

Cardiac positron emission tomography.

Frank M Bengel1, Takahiro Higuchi, Mehrbod S Javadi

  • 1Division of Nuclear Medicine/PET, Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University, Baltimore, Maryland 21287, USA. fbengel1@jhmi.edu

Journal of the American College of Cardiology
|June 27, 2009
PubMed
Summary

Positron emission tomography (PET) is increasingly vital for cardiovascular medicine, offering advanced diagnostics beyond research. Its growing accessibility and clinical utility are transforming personalized patient care.

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Area of Science:

  • Cardiovascular Imaging
  • Nuclear Medicine
  • Medical Diagnostics

Background:

  • Positron emission tomography (PET) historically viewed as a research tool due to cost and complexity.
  • Recent shifts driven by diverse cardiovascular therapies and need for precise diagnostics.
  • Growing number of PET centers and improved radiotracer availability fuel wider adoption.

Purpose of the Study:

  • To review the current state of PET imaging in cardiovascular medicine.
  • To outline novel developments and future directions for PET applications.
  • To highlight the transition of PET from a research method to a clinical diagnostic standard.

Main Methods:

  • Review of current PET imaging methodology in cardiovascular applications.
  • Analysis of diagnostic and prognostic evidence for myocardial perfusion and viability.
  • Discussion of hybrid PET-CT integration and molecular-targeted imaging.

Main Results:

  • Evidence for PET's diagnostic and prognostic value in myocardial assessment is mounting.
  • PET may be cost-effective by reducing unnecessary procedures.
  • Hybrid PET-CT enhances diagnostic capabilities by combining functional and morphological data.

Conclusions:

  • PET is evolving into a leading diagnostic tool for personalized cardiovascular medicine.
  • Methodological advances and increased accessibility are key drivers of PET's expanding clinical role.
  • Future directions include advanced molecular imaging and comprehensive cardiovascular assessment.