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Related Concept Videos

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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Ischemic Heart Disease: Overview01:17

Ischemic Heart Disease: Overview

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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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Ischemic Stroke ll: Pathophysiology01:15

Ischemic Stroke ll: Pathophysiology

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An ischemic stroke occurs when a cerebral blood vessel becomes obstructed, most often by a thrombus or embolus, interrupting the delivery of oxygen and glucose to brain tissue. Because neurons rely on continuous aerobic metabolism, energy failure begins within minutes of reduced perfusion. The region receiving the least blood flow becomes the infarct core, an area of irreversible cellular death. Surrounding this core lies the penumbra, a zone of hypoperfused but still viable tissue that is...
42
Ischemic Stroke l: Introduction01:15

Ischemic Stroke l: Introduction

29
Ischemic stroke is an acute cerebrovascular condition in which blood flow to a brain region is suddenly interrupted, leading to tissue infarction. Neurons depend on continuous oxygen and glucose supply, so even brief reductions in perfusion cause energy failure, ionic imbalance, and irreversible injury. Ischemic strokes are classified into thrombotic and embolic types based on their underlying mechanisms.Thrombotic MechanismsThrombotic stroke develops when a clot forms within a cerebral artery.
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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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Cardiac Catheterization I: Pre-Procedure Overview01:28

Cardiac Catheterization I: Pre-Procedure Overview

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Cardiac catheterization is an invasive diagnostic technique used to identify and evaluate structural and functional diseases of the heart and major blood vessels. This technique diagnoses congenital heart disease, coronary artery disease, valvular heart disease, and coronary spasms and assesses ventricular function. It helps guide treatment decisions, including the need for revascularization procedures like percutaneous coronary intervention (PCI) or coronary artery bypass grafting (CABG) and...
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Related Experiment Video

Updated: Apr 26, 2026

A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis
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[Ischemic stroke: the cardiac workup].

Thierry Grandjean, Lucien Weiss, Roman Sztajzel

    Revue Medicale Suisse
    |July 25, 2014
    PubMed
    Summary

    Cardiac workups for stroke, including Holter monitoring and echocardiography, have limited diagnostic yield for identifying embolic sources. Guidelines suggest targeted, not systematic, use of these tests to guide secondary stroke prevention strategies.

    Area of Science:

    • Cardiology
    • Neurology
    • Clinical Medicine

    Background:

    • Cardiac evaluations like Holter monitoring and echocardiography are frequently used after stroke to find embolic sources.
    • Identifying cardiac sources such as atrial fibrillation (AF) or intracardiac thrombus can alter secondary prevention strategies.

    Purpose of the Study:

    • To systematically review current guidelines on cardiac workup after stroke.
    • To evaluate the diagnostic yield and utility of routine cardiac investigations for stroke.
    • To determine if targeted or systematic testing is more appropriate for stroke patients.

    Main Methods:

    • Systematic review of existing clinical guidelines.
    • Analysis of recommendations for cardiac investigations post-stroke.

    More Related Videos

    Optimized Management of Endovascular Treatment for Acute Ischemic Stroke
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    Cardiac Magnetic Resonance for the Evaluation of Suspected Cardiac Thrombus: Conventional and Emerging Techniques
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    Optimized Management of Endovascular Treatment for Acute Ischemic Stroke
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    Main Results:

    • The diagnostic yield of routine Holter monitoring and echocardiography in stroke patients is limited.
    • There is a lack of consensus regarding the utility of these examinations for all stroke types.
    • Current guidelines suggest a more targeted approach to cardiac workup rather than systematic screening.

    Conclusions:

    • Cardiac investigations post-stroke should be selectively applied based on patient risk factors and clinical presentation.
    • A targeted strategy may improve the efficiency and effectiveness of secondary stroke prevention.
    • Further research is needed to clarify the optimal use of cardiac workup in specific stroke etiologies.