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Related Concept Videos

Stroke: Introduction and Types01:29

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...
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 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 ll: Pathophysiology01:29

Hemorrhagic Stroke ll: Pathophysiology

A hemorrhagic stroke develops when a cerebral blood vessel ruptures, allowing blood to escape into the surrounding brain tissue, as in intracerebral hemorrhage (ICH), or into the subarachnoid space, as in subarachnoid hemorrhage (SAH). Because the skull is a rigid compartment, the sudden presence of extravascular blood rapidly increases intracranial pressure and compresses adjacent neural structures, leading to immediate tissue injury and impaired cerebral perfusion.Mass Effect and Primary...
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...

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Related Experiment Video

Updated: Jul 4, 2026

Computerized Adaptive Testing System of Functional Assessment of Stroke
05:21

Computerized Adaptive Testing System of Functional Assessment of Stroke

Published on: January 7, 2019

Multifaceted web resources for stroke.

Kashif Hanif1, Ram Raghubir

  • 1Division of Pharmacology, Central Drug Research Institute, Lucknow, India.

Journal of Stroke and Cerebrovascular Diseases : the Official Journal of National Stroke Association
|July 1, 2008
PubMed
Summary

The Internet offers valuable resources for stroke survivors and their caregivers, providing extensive information on stroke care and rehabilitation. Promoting its use can enhance patient outcomes and research efforts.

Related Experiment Videos

Last Updated: Jul 4, 2026

Computerized Adaptive Testing System of Functional Assessment of Stroke
05:21

Computerized Adaptive Testing System of Functional Assessment of Stroke

Published on: January 7, 2019

Area of Science:

  • Neurology
  • Health Informatics
  • Digital Health

Background:

  • The Internet is a crucial resource for stroke survivors, families, and healthcare professionals.
  • Abundant online information covers stroke pathophysiology, treatment, and post-stroke management.
  • Existing resources need better organization and accessibility for effective utilization.

Purpose of the Study:

  • To compile and present key Internet resources for stroke research and patient care.
  • To identify relevant search engines, professional societies, and support websites.
  • To advocate for policies promoting Internet use in stroke management and research.

Main Methods:

  • Systematic compilation of Internet search engines for life science research.
  • Identification of major stroke-related professional societies and their web presences.
  • Curation of links to websites offering information on stroke treatment, support, and rehabilitation.

Main Results:

  • Lists of relevant life science search engines are provided.
  • Key stroke society websites are identified.
  • A curated selection of resources for treatment, support, and rehabilitation is presented.

Conclusions:

  • The Internet is an indispensable tool for improving stroke care and research.
  • Policies should encourage greater Internet utilization by patients, caregivers, and researchers.
  • Enhanced access to online information can lead to better patient outcomes and communication.