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Related Concept Videos

Imaging Studies for Cardiovascular System I:Echocardiography01:17

Imaging Studies for Cardiovascular System I:Echocardiography

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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 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 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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Heart Failure IV: Classification and Diagnostic Evaluation01:30

Heart Failure IV: Classification and Diagnostic Evaluation

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Heart failure can be classified in various ways, with the most common classifications based on physical activity limitations, disease progression, severity, and treatment strategies.The Functional Classification of Heart Failure divides patients into four categories based on physical activity limitation due to symptom burden.Class I: Patients in this class have cardiac disease but no physical activity limitations. Ordinary activities like walking, climbing stairs, or routine tasks do not cause...
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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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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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Related Experiment Video

Updated: Apr 27, 2026

High-Resolution Cardiac Positron Emission Tomography/Computed Tomography for Small Animals
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Imaging in heart failure with preserved ejection fraction.

Deepak K Gupta1, Scott D Solomon2

  • 1Vanderbilt Heart and Vascular Institute, Department of Medicine, Vanderbilt University Medical Center, 2525 West End Ave, Suite 300, Nashville, TN 37203, USA.

Heart Failure Clinics
|July 1, 2014
PubMed
Summary
This summary is machine-generated.

Heart failure with preserved ejection fraction (HFpEF) is common. Integrated assessment of cardiac structure, function, and hemodynamics using echocardiography is key for diagnosis and management, as dysfunction may appear during stress.

Keywords:
Diastolic dysfunctionEchocardiographyLeft ventricular ejection fractionMyocardial deformationStress testing

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Area of Science:

  • Cardiology
  • Medical Imaging
  • Cardiovascular Physiology

Background:

  • Heart failure with preserved ejection fraction (HFpEF) is increasingly prevalent.
  • Accurate diagnosis and management of HFpEF require understanding its complex cardiac dysfunction.
  • Identifying HFpEF can be challenging due to variable presentation.

Purpose of the Study:

  • To review the role of imaging in assessing cardiac structure and function in HFpEF.
  • To highlight the importance of integrated assessment for HFpEF diagnosis and management.
  • To discuss the utility of stress testing in unmasking cardiac dysfunction in HFpEF.

Main Methods:

  • Comprehensive transthoracic echocardiography is the primary noninvasive imaging modality.
  • Assessment integrates cardiac structure, systolic and diastolic function, and hemodynamic parameters.
  • Stress testing (exercise or pharmacologic) may be employed to reveal latent cardiac dysfunction.

Main Results:

  • HFpEF diagnosis necessitates a multifaceted approach beyond resting assessment.
  • Echocardiography provides crucial insights into the structural and functional abnormalities in HFpEF.
  • Cardiac dysfunction in HFpEF may only manifest under increased cardiac demand.

Conclusions:

  • Integrated echocardiographic assessment is vital for diagnosing and managing HFpEF.
  • Understanding cardiac mechanics and hemodynamics is essential for HFpEF.
  • Stress echocardiography can be instrumental in identifying HFpEF when resting studies are inconclusive.