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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.
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...
Transient Ischemic Attack l: Introduction01:26

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 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

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
10:39

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache

Published on: June 2, 2014

Stroke and migraine.

Jesse Weinberger1

  • 1Department of Neurology, Box 1052, The Mount Sinai School of Medicine, 1 Gustave Levy Place, New York, NY 10029, USA.

Current Treatment Options in Cardiovascular Medicine
|June 28, 2008
PubMed
Summary

Young patients with migraine, especially those with aura, face a higher stroke risk. Identifying and treating underlying causes is crucial for preventing migrainous stroke.

Area of Science:

  • Neurology
  • Vascular Neurology
  • Pediatric Neurology

Background:

  • Migraine, particularly migraine with aura, is associated with an increased risk of stroke in young patients.
  • Several potential causes of ischemia in migraine patients exist, including patent foramen ovale, lupus anticoagulant, cervical carotid dissection, arteriovenous malformation, and hypercoagulability.
  • Migrainous stroke diagnosis requires the exclusion of all other stroke causes and evidence of irreversible aura symptoms with a corresponding ischemic infarct.

Purpose of the Study:

  • To review the risk factors and diagnostic criteria for migrainous stroke in young patients.
  • To highlight the importance of identifying and managing underlying conditions contributing to stroke in migraineurs.
  • To discuss the potential role of prophylactic migraine therapy in preventing migrainous stroke.

More Related Videos

Dural Stimulation and Periorbital von Frey Testing in Mice As a Preclinical Model of Headache
05:40

Dural Stimulation and Periorbital von Frey Testing in Mice As a Preclinical Model of Headache

Published on: July 29, 2021

Related Experiment Videos

Last Updated: Jul 4, 2026

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
10:39

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache

Published on: June 2, 2014

Dural Stimulation and Periorbital von Frey Testing in Mice As a Preclinical Model of Headache
05:40

Dural Stimulation and Periorbital von Frey Testing in Mice As a Preclinical Model of Headache

Published on: July 29, 2021

Main Methods:

  • Literature review of studies on migraine, stroke, and associated risk factors in pediatric and young adult populations.
  • Analysis of diagnostic criteria for migrainous stroke.
  • Synthesis of information on potential underlying causes and treatment strategies.

Main Results:

  • Young migraine patients, especially those with aura, are at elevated risk for stroke.
  • Conditions like PFO, lupus anticoagulant, and clotting system hyperactivity are frequently observed in these patients.
  • Migrainous stroke is a diagnosis of exclusion, requiring irreversible aura and ischemic infarct.

Conclusions:

  • Migraine with aura in young individuals necessitates careful evaluation for stroke risk.
  • Comprehensive investigation to rule out other causes of ischemia is essential before diagnosing migrainous stroke.
  • Prophylactic treatment for migraine with aura may play a role in mitigating the risk of migrainous stroke.