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Related Concept Videos

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 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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Ischemic Heart Disease: Overview01:17

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Ischemic heart disease occurs when the heart's blood supply dwindles, causing an ominous lack of oxygen and nutrients. This deficiency, stemming from reduced or obstructed blood flow, spells danger, leading to heart muscle damage and dysfunction.
Atherosclerosis, the primary malefactor, orchestrates this dangerous condition. It manifests as the accumulation of fatty deposits, akin to insidious plaques, within arterial walls. As time elapses, these plaques metamorphose, hardening and...
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Cardiovascular Drugs: Classification based on Therapeutic Indications01:18

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Cardiovascular diseases, encompassing a range of conditions, can significantly affect the heart's operations and the overall circulatory system. These conditions impair the heart's ability to pump blood, leading to a deficit in oxygen supply to crucial organs. Anomalies in the heart's electrical system, known as arrhythmias, can cause heartbeats to accelerate or slow down. Usually, heart rates increase during physical activity and decrease while resting or sleeping. However,...
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Disturbances in Heart Rhythm01:28

Disturbances in Heart Rhythm

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Arrhythmia or dysrhythmia refers to an abnormal heart rhythm caused by a defect in the heart's conduction system. It can cause the heart to beat irregularly, too quickly, or too slowly, leading to symptoms like chest pain, shortness of breath, and fainting. Factors such as stress, caffeine, alcohol, nicotine, cocaine, certain drugs, congenital defects, diseases, and electrolyte abnormalities can trigger arrhythmias.
Arrhythmias are categorized by their speed, rhythm, and origin. A slow...
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Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

Blood Studies for Cardiovascular System I: Cardiac Biomarkers

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Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
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Related Experiment Video

Updated: Jun 22, 2025

Myocardial Infarction by Percutaneous Embolization Coil Deployment in a Swine Model
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Myocardial Infarction by Percutaneous Embolization Coil Deployment in a Swine Model

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Cardioembolic Stroke.

Margaret Y Yu1, Fan Z Caprio2, Richard A Bernstein2

  • 1University of Illinois at Chicago, Chicago, IL, USA.

Neurologic Clinics
|June 27, 2024
PubMed
Summary
This summary is machine-generated.

Cardioembolism causes 25% of ischemic strokes, leading to significant morbidity and mortality. Identifying the heart source of the embolism is key to preventing recurrent strokes and personalizing treatment.

Keywords:
Atrial fibrillationCardioembolic strokeCardiomyopathyIschemic strokeParadoxic embolization

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Combined Near-infrared Fluorescent Imaging and Micro-computed Tomography for Directly Visualizing Cerebral Thromboemboli
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Area of Science:

  • Cardiology
  • Neurology
  • Stroke Medicine

Background:

  • Cardioembolism is a major cause of ischemic stroke, accounting for approximately 25% globally.
  • This stroke type is frequently linked to increased morbidity and mortality rates.
  • Intracranial cardioembolism can originate from various cardiac sources, including arrhythmias and structural or valvular heart disease.

Purpose of the Study:

  • To highlight the significance of cardioembolism as a cause of ischemic stroke.
  • To outline the potential cardiac sources of intracranial embolism.
  • To emphasize the importance of thorough cardiac evaluation in stroke patients.

Main Methods:

  • Review of potential cardioembolic sources in ischemic stroke patients.
  • Emphasis on diagnostic strategies including intracardiac structure investigation and arrhythmia assessment.
  • Consideration of specific high-risk scenarios like post-cardiac surgery.

Main Results:

  • Cardioembolism represents a substantial proportion of ischemic strokes.
  • Diverse cardiac conditions serve as potential embolic sources.
  • Comprehensive etiological investigation is essential for appropriate patient management.

Conclusions:

  • Identifying the specific cardiac source of embolism is critical for managing ischemic stroke.
  • Personalized treatment strategies based on the identified cardioembolic source can reduce the risk of recurrent stroke.
  • Thorough cardiac assessment is fundamental in the workup of ischemic stroke.