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Related Concept Videos

Transient Ischemic Attack l: Introduction01:26

Transient Ischemic Attack l: Introduction

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A transient ischemic attack (TIA) is a brief episode of neurological dysfunction caused by a temporary, focal reduction in cerebral blood flow. Although symptoms resemble those of an ischemic stroke, the interruption in perfusion is short-lived and does not cause permanent infarction. TIAs are clinically important because they often serve as early warning events for future stroke.Mechanisms of Transient Cerebral IschemiaTransient cerebral ischemia may arise through several mechanisms. One...
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Ischemic Stroke l: Introduction01:15

Ischemic Stroke l: Introduction

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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 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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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...
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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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Related Experiment Video

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A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia
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Risk scores for transient ischemic attack.

M E Wolf1, V E Held, M G Hennerici

  • 1Department of Neurology, UniversitätsMedizin Mannheim UMM, University of Heidelberg, Mannheim, Germany.

Frontiers of Neurology and Neuroscience
|October 26, 2013
PubMed
Summary
This summary is machine-generated.

Predicting stroke recurrence after transient ischemic attack (TIA) is crucial. The ABCD(2) score is recommended for early risk assessment in TIA patients, aiding acute management in stroke units.

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A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis
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Area of Science:

  • Neurology
  • Clinical Medicine
  • Epidemiology

Background:

  • Transient ischemic attack (TIA) carries a 5-10% risk of recurrent ischemic stroke, particularly in the initial days post-event.
  • Predicting stroke recurrence after TIA is increasingly important for timely intervention and management.
  • Early risk prediction scores have evolved from long-term prognostic tools to acute assessment strategies.

Purpose of the Study:

  • To review the development and application of risk prediction scores for stroke recurrence after TIA.
  • To highlight the evolution from long-term scores (SPI, Hankey) to early risk assessment tools (ABCD score and its derivatives).
  • To discuss the integration of advanced diagnostics and the current guideline recommendations for TIA management.

Main Methods:

  • Review of existing literature on TIA prognosis and stroke recurrence prediction scores.
  • Analysis of the development pathway of various risk scores, including the ABCD score and its modifications (ABCD(2), ABCD(2)I, etc.).
  • Examination of factors incorporated into these scores, such as clinical variables, imaging (DWI), and etiology (carotid stenosis, atrial fibrillation).

Main Results:

  • Early risk scores like ABCD were developed for emergency stroke units, with promising validation.
  • Numerous studies have validated and refined these scores, incorporating imaging and etiological factors.
  • While advanced scores offer potential improvements, they often require extensive workups, limiting their use to specialized stroke centers.

Conclusions:

  • The ABCD(2) score is currently recommended in guidelines for acute TIA management due to its balance of predictive value and clinical applicability.
  • The development of risk scores reflects a shift towards early, actionable risk stratification in TIA patients.
  • Future research may focus on optimizing scores for broader clinical settings or integrating novel biomarkers for more precise risk assessment.