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Related Concept Videos

Ischemic Stroke l: Introduction01:15

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.
Atherosclerosis IV: Nursing Management01:23

Atherosclerosis IV: Nursing Management

Nursing management for a patient with arteriosclerosis involves a comprehensive approach focusing on lifestyle modification, disease monitoring, education, and symptomatic care. Here is an overview of effective nursing strategies:Assessment and Monitoring: Initial and ongoing assessments are crucial. Nurses must document the patient's medical history, including any hypertension, diabetes, hyperlipidemia, and other cardiovascular diseases. Assessments also cover family history and lifestyle...
Hemorrhagic Stroke l: Introduction01:17

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...
Ischemic Stroke ll: Pathophysiology01:15

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...
Regulation of Stroke Volume01:27

Regulation of Stroke Volume

The regulation of stroke volume, which is the amount of blood the heart pumps out during each heartbeat, is critical for maintaining a healthy circulatory system. Stroke volume is influenced by three main factors: preload, contractility, and afterload.
Preload refers to the degree of stretch on the heart before it contracts. It's analogous to the stretching of a rubber band; the more it's stretched, the more forcefully it snaps back. This concept is encapsulated in the Frank-Starling law of the...
Acute Coronary Syndrome IV: Interprofessional Care01:28

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...

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Related Experiment Video

Updated: May 9, 2026

Setting Up a Stroke Team Algorithm and Conducting Simulation-based Training in the Emergency Department - A Practical Guide
09:52

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

Published on: January 15, 2017

Setting priorities for stroke care and research.

L B Morgenstern1, W S Smith

  • 1Department of Neurology, Emergency Medicine, Neurosurgery and Epidemiology, The University of Michigan Medical School and School of Public Health, Ann Arbor, MI, USA. lmorgens@umich.edu

International Journal of Stroke : Official Journal of the International Stroke Society
|July 25, 2013
PubMed
Summary
This summary is machine-generated.

Stroke mortality is rising globally, especially in developing nations. Future efforts should prioritize stroke prevention in these areas and for impoverished populations.

Keywords:
accessglobalinterventionpovertypreventionstroke

Related Experiment Videos

Last Updated: May 9, 2026

Setting Up a Stroke Team Algorithm and Conducting Simulation-based Training in the Emergency Department - A Practical Guide
09:52

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

Published on: January 15, 2017

Area of Science:

  • Neurology
  • Public Health
  • Global Health

Background:

  • Global stroke mortality is increasing, particularly in developing countries, despite advances in developed nations.
  • Recent trials question the efficacy of expensive catheter-based therapies for acute stroke.
  • This highlights a growing disparity in stroke impact and treatment accessibility.

Purpose of the Study:

  • To analyze the current global stroke burden and the effectiveness of acute stroke interventions.
  • To re-evaluate priorities for stroke management in light of recent evidence.
  • To advocate for a shift towards stroke prevention strategies.

Main Methods:

  • Review of recent publications on global stroke mortality trends.
  • Analysis of outcomes from three major interventional trials for acute stroke.
  • Synthesis of epidemiological data and clinical trial results.

Main Results:

  • Stroke mortality and life years lost are increasing globally, with a disproportionate impact on the developing world.
  • Catheter-based interventions for acute stroke have not demonstrated significant benefits in recent trials.
  • Current technological approaches to acute stroke treatment are being questioned.

Conclusions:

  • There is an urgent need to shift focus from expensive acute interventions to widespread stroke prevention.
  • Prioritizing stroke prevention in developing countries and low-income populations is crucial.
  • A global strategy re-evaluation is necessary to address the rising stroke burden effectively.