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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 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 III: X-Ray01:20

Imaging Studies for Cardiovascular System III: X-Ray

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

Acute Coronary Syndrome III: Diagnostic Studies

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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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Updated: Nov 14, 2025

High-Resolution Cardiac Positron Emission Tomography/Computed Tomography for Small Animals
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Optimizing cardiovascular imaging in Staphylococcus aureus endocarditis.

Sangeeta Shah1, Tripti Gupta2,3, Christopher J White2,3

  • 1Department of Cardiology, Pauley Heart Center, Virginia Commonwealth University Health Sciences, Richmond, VA, USA.

Echocardiography (Mount Kisco, N.Y.)
|March 11, 2021
PubMed
Summary
This summary is machine-generated.

An algorithm for cardiovascular imaging in Staphylococcus aureus bacteremia (SAB) optimizes infective endocarditis (IE) diagnosis. This tool ensures sensitive and specific imaging recommendations, improving patient outcomes and resource use in value-based care.

Keywords:
cardiovascular imagingechocardiographyinfective endocarditisvalue-based imaging

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Area of Science:

  • Cardiology
  • Infectious Diseases
  • Health Services Research

Background:

  • Value-based healthcare necessitates optimizing resource utilization.
  • Discordance exists in cardiovascular imaging (CVI) use for infective endocarditis (IE) in Staphylococcus aureus bacteremia (SAB).
  • An evidence-based algorithm was developed to standardize CVI use for suspected IE in SAB patients.

Purpose of the Study:

  • To develop and validate an algorithm for CVI selection in patients with SAB.
  • To ensure the algorithm's sensitivity in recommending CVI for suspected IE.
  • To minimize variability in CVI utilization and improve diagnostic accuracy.

Main Methods:

  • Retrospective review of patients with SAB at Ochsner Medical Center (1/1/13-12/31/14).
  • Data collection included demographics, CVI use, outcomes, and readmissions.
  • Retrospective application of the developed algorithm to assess its sensitivity and specificity.

Main Results:

  • 181 patients with SAB were analyzed; 114 (63%) were male.
  • 15 patients were diagnosed with IE; 3 detected by TTE, 12 by TEE.
  • The algorithm demonstrated 100% sensitivity and 74.7% specificity in recommending TEE for high-risk IE patients.

Conclusions:

  • The algorithm effectively optimizes CVI selection for IE diagnosis in SAB patients.
  • Implementation of this algorithm promotes consistent practice and improves patient outcomes.
  • Standardized CVI use supports value-based care by optimizing resource allocation.