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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.
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 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...
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...
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...

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Related Experiment Video

Updated: Jun 4, 2026

Disruption of the Mouse Blood-Brain Barrier by Small Extracellular Vesicles from Hypoxic Human Placentas
05:31

Disruption of the Mouse Blood-Brain Barrier by Small Extracellular Vesicles from Hypoxic Human Placentas

Published on: January 26, 2024

Pregnancy and Stroke Risk.

Michelle H Leppert

    Continuum (Minneapolis, Minn.)
    |June 3, 2026
    PubMed
    Summary
    This summary is machine-generated.

    Pregnancy-related stroke rates are increasing, especially in older mothers, with new safe treatments available. Prevention focuses on blood pressure control, aspirin, and counseling for high-risk individuals.

    Related Experiment Videos

    Last Updated: Jun 4, 2026

    Disruption of the Mouse Blood-Brain Barrier by Small Extracellular Vesicles from Hypoxic Human Placentas
    05:31

    Disruption of the Mouse Blood-Brain Barrier by Small Extracellular Vesicles from Hypoxic Human Placentas

    Published on: January 26, 2024

    Area of Science:

    • Neurology
    • Obstetrics
    • Cardiology

    Background:

    • Pregnancy-associated stroke affects ~30/100,000 pregnancies, peaking peripartum/postpartum.
    • Physiologic changes (hypercoagulability, venous stasis) increase risk.
    • Rising rates observed, particularly in older maternal age groups.

    Purpose of the Study:

    • Review epidemiology, pathophysiology, management, and prevention of pregnancy-related stroke.
    • Focus on risk factor recognition, acute treatment guidance, and future pregnancy counseling.
    • Highlight recent advances and key prevention strategies.

    Main Methods:

    • Literature review of epidemiology, pathophysiology, and clinical management.
    • Analysis of current data on stroke rates and risk factors.
    • Evaluation of established and emerging prevention strategies.

    Main Results:

    • Ischemic strokes and cerebral venous thrombosis are increasingly contributing to pregnancy-related strokes.
    • Thrombolysis and endovascular therapy are safe in selected pregnant/postpartum patients.
    • Low-dose aspirin, blood pressure control, and preconception counseling are key prevention strategies.

    Conclusions:

    • Prompt recognition and management of pregnancy-related stroke are crucial.
    • Advances in acute therapies improve outcomes for pregnant patients.
    • Proactive prevention, especially for high-risk women, is essential for reducing stroke incidence.