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Transient Ischemic Attack l: Introduction

Transient Ischemic Attack l: Introduction

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...

Ischemic Stroke l: Introduction

Ischemic Stroke l: Introduction

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.

Hemorrhagic Stroke l: Introduction

Hemorrhagic Stroke l: Introduction

A hemorrhagic stroke is an acute neurological event that occurs when a weakened cerebral blood vessel ruptures, allowing blood to accumulate within or around the brain. The sudden release of blood forms a focal hematoma that increases intracranial pressure, displaces neural tissue, and can obstruct cerebrospinal fluid pathways. These effects may be compounded by intraventricular extension of the hemorrhage, cerebral edema, or compression of adjacent structures, all of which contribute to...

Acute Coronary Syndrome IV: Interprofessional Care

Acute Coronary Syndrome IV: Interprofessional Care

IntroductionThe management of Acute Coronary Syndrome (ACS) aims to minimize myocardial damage, preserve myocardial function, and prevent complications.Initial ManagementInpatient management involves continuous cardiac monitoring, preferably in an ICU, focusing on blood pressure, serum sodium, potassium, and creatinine levels, and urine output. Ongoing pharmacologic management is crucial for stabilizing the patient.Supplemental Oxygen: Administer supplemental oxygen if oxygen saturation is...

Stroke: Introduction and Types

Stroke: Introduction and Types

A stroke is an acute neurological event caused by the sudden disruption of cerebral blood flow, leading to rapid loss of neuronal function. Neurons depend on continuous oxygen and glucose supply, so even brief interruptions can cause irreversible injury within minutes. Strokes are classified into ischemic and hemorrhagic types.Ischemic StrokeIschemic strokes are most common and occur due to arterial occlusion, depriving brain tissue of oxygen and nutrients. This leads to energy failure, ionic...

Ischemic Stroke ll: Pathophysiology

Ischemic Stroke ll: Pathophysiology

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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Related Experiment Video

Updated: May 5, 2026

Setting Up a Stroke Team Algorithm and Conducting Simulation-based Training in the Emergency Department - A Practical Guide

Setting Up a Stroke Team Algorithm and Conducting Simulation-based Training in the Emergency Department - A Practical Guide

Published on: January 15, 2017

The cloud stroke unit: 24-hour acute stroke expertise-on-demand.

Francesca R Pezzella¹, Claudio Pozzessere, Antonio Siniscalchi

¹a San Camillo-Forlanini Hospital , Rome , Italy.

Hospital Topics

|November 22, 2013

Summary

Telemedicine, particularly telestroke, offers reliable diagnosis and effective acute stroke treatment. This approach enhances care accessibility by connecting stroke specialists across international borders.

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Setting Up a Stroke Team Algorithm and Conducting Simulation-based Training in the Emergency Department - A Practical Guide

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Published on: January 15, 2017

Optimized Management of Endovascular Treatment for Acute Ischemic Stroke

Optimized Management of Endovascular Treatment for Acute Ischemic Stroke

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Prehospital Thrombolysis: A Manual from Berlin

Prehospital Thrombolysis: A Manual from Berlin

Published on: November 26, 2013

Area of Science:

Neurology
Medical Informatics
Telehealth

Background:

Telemedicine, specifically telestroke, has seen substantial growth in recent years.
Stroke treatment is time-sensitive, and there's a shortage of specialized practitioners.
Telestroke presents a viable solution to bridge this gap in care.

Purpose of the Study:

To review evidence supporting telemedicine for acute stroke diagnosis.
To assess the efficacy of telemedicine in acute stroke treatment.
To examine international collaborations in telestroke services.

Main Methods:

Systematic review of existing literature on telestroke.
Analysis of diagnostic accuracy in telemedicine-based stroke assessments.
Evaluation of treatment outcomes in telestroke interventions.

Main Results:

Evidence supports the reliability of telemedicine for accurate stroke diagnosis.
Telestroke demonstrates efficacy in guiding acute stroke treatment decisions.
International telestroke collaborations are feasible and effective.

Conclusions:

Telemedicine is a reliable tool for stroke diagnosis and treatment.
Telestroke enhances access to specialized neurological care, especially in underserved areas.
Cross-border telestroke initiatives can improve patient outcomes.