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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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Electrocardiogram01:29

Electrocardiogram

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An electrocardiogram (ECG or EKG) is a critical diagnostic tool that records the electrical signals produced by the heart during each heartbeat. This recording is achieved through electrodes placed strategically on the arms, legs, and chest. The electrocardiograph amplifies these signals and produces 12 distinct tracings, offering a comprehensive understanding of the heart's electrical activity.
Three major waveforms are present in a typical ECG recording: the P wave, the QRS complex, and...
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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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Dysrhythmias V: Evaluating Dysrhythmias01:30

Dysrhythmias V: Evaluating Dysrhythmias

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Dysrhythmias, also known as arrhythmias, are disturbances in the heart's rhythm that range from benign to life-threatening. A thorough evaluation is crucial for appropriate management and involves a comprehensive medical history, physical examination, and various diagnostic tests.Medical HistorySymptoms: Collect detailed information on palpitations, dizziness, syncope, chest pain, and fatigue. Note their onset, frequency, and triggers.Previous Cardiac Issues: Document any history of heart...
427
Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies01:22

Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies

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The key clinical manifestations of Rheumatic heart disease (RHD) include several distinct cardiac symptoms.Carditis, a hallmark of acute rheumatic fever, involves inflammation of the heart's endocardium, myocardium, and pericardium. Chronic RHD often results from recurrent episodes of carditis. Its symptoms include the following:Murmurs are caused by valvular damage, especially to the mitral and aortic valves. Mitral stenosis or regurgitation is common, with characteristic heart murmurs...
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Transthoracic Echocardiography in Mice
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[Echocardiography].

Takayuki Kawata1, Masao Daimon

  • 1Department of Cardiovascular Medicine, The University of Tokyo, Tokyo, Japan.

Kyobu Geka. the Japanese Journal of Thoracic Surgery
|August 21, 2014
PubMed
Summary

Assessing ischemic mitral regurgitation (IMR) severity is crucial for patient management. Exercise stress echocardiography and 3D echocardiography offer advanced methods for accurate IMR evaluation and understanding valve dynamics.

Area of Science:

  • Cardiology
  • Echocardiography
  • Cardiac Surgery

Background:

  • Ischemic mitral regurgitation (IMR) severity assessment is vital for patient stratification.
  • IMR severity is significantly influenced by loading conditions, complicating at-rest evaluation.
  • Mitral valve plasty can lead to functional mitral stenosis, requiring careful hemodynamic assessment.

Purpose of the Study:

  • To review the role of stress echocardiography in assessing IMR severity.
  • To discuss the current status and applications of 3D echocardiography in cardiac valve assessment.
  • To highlight the utility of advanced echocardiographic techniques in managing structural heart disease.

Main Methods:

  • Exercise stress echocardiography for evaluating true IMR severity under dynamic conditions.

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  • 3-dimensional (3D) echocardiography for detailed anatomical visualization and quantitative analysis of mitral valve and annulus.
  • Review of current literature on the application of these echocardiographic modalities in IMR and related conditions.

    • Main Results:

    • Exercise stress echocardiography accurately assesses IMR severity, overcoming limitations of resting measurements.
    • 3D echocardiography provides intuitive anatomical understanding and precise quantitative data, including valve area and annulus form.
    • Both techniques are valuable for evaluating complications like functional mitral stenosis post-mitral valve plasty.

    Conclusions:

    • Stress echocardiography is essential for accurate IMR severity assessment.
    • 3D echocardiography enhances understanding of mitral valve anatomy and quantitative evaluation, crucial for surgical planning and interventions.
    • These advanced echocardiographic methods are increasingly important for managing structural heart disease, especially with the rise of catheter-based treatments.