Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Venous Thrombosis III: Interprofessional Care01:29

Venous Thrombosis III: Interprofessional Care

Venous thrombosis requires effective prevention and treatment strategies to improve patient outcomes and reduce potential complications.Prevention StrategiesHealthcare providers must prioritize preventing venous thromboembolism (VTE) for all adult patients upon admission. Interventions depend on bleeding and thrombosis risk, medical history, current medications, diagnoses, planned procedures, and patient preferences. Patients on bed rest should change positions every two hours and, if not...
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
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.
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...
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...
Anticoagulant Drugs: Low-Molecular-Weight Heparins01:30

Anticoagulant Drugs: Low-Molecular-Weight Heparins

Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same journal

Clinician-supervised large language AI model after-discharge instruction generation for common emergency department presentations.

CJEM·2026
Same journal

Just the facts: unmanned aerial vehicles in emergency medical services.

CJEM·2026
Same journal

Response to "Letter to the Editor" by Quon, Sood, and Lipinski.

CJEM·2026
Same journal

Just the facts: cluster headache and other side-locked headaches in the emergency department.

CJEM·2026
Same journal

Emergency department overcrowding: a CAEP position statement.

CJEM·2026
Same journal

Skyer: a novel benchmark for evaluating the effectiveness of large language models in emergency department triage.

CJEM·2026

Related Experiment Video

Updated: Jul 13, 2026

Prehospital Thrombolysis: A Manual from Berlin
05:52

Prehospital Thrombolysis: A Manual from Berlin

Published on: November 26, 2013

Thrombolytic therapy for acute ischemic stroke.

    CJEM
    |July 7, 2007
    PubMed
    Summary

    Tissue plasminogen activator (tPA) offers modest benefits for select acute stroke patients within 3 hours but carries risks of severe bleeding. Thrombolytic therapy for stroke should be restricted to research or monitored protocols, prioritizing patient safety and careful selection.

    Area of Science:

    • Neurology
    • Emergency Medicine
    • Radiology

    Background:

    • Tissue plasminogen activator (tPA) shows modest benefits for acute stroke patients treated within 3 hours.
    • tPA administration increases the risk of severe or fatal intracranial hemorrhage.

    Purpose of the Study:

    • To evaluate the risks and benefits of tPA for acute stroke.
    • To define criteria for safe and effective thrombolytic therapy in acute stroke.

    Main Methods:

    • Review of current evidence on tPA efficacy and safety.
    • Emphasis on strict patient selection and adherence to established protocols.
    • Recommendation for a central Canadian registry to track outcomes.

    Main Results:

    More Related Videos

    Optimized Management of Endovascular Treatment for Acute Ischemic Stroke
    09:21

    Optimized Management of Endovascular Treatment for Acute Ischemic Stroke

    Published on: January 18, 2018

    A Fibrin-Enriched and tPA-Sensitive Photothrombotic Stroke Model
    09:42

    A Fibrin-Enriched and tPA-Sensitive Photothrombotic Stroke Model

    Published on: June 4, 2021

    Related Experiment Videos

    Last Updated: Jul 13, 2026

    Prehospital Thrombolysis: A Manual from Berlin
    05:52

    Prehospital Thrombolysis: A Manual from Berlin

    Published on: November 26, 2013

    Optimized Management of Endovascular Treatment for Acute Ischemic Stroke
    09:21

    Optimized Management of Endovascular Treatment for Acute Ischemic Stroke

    Published on: January 18, 2018

    A Fibrin-Enriched and tPA-Sensitive Photothrombotic Stroke Model
    09:42

    A Fibrin-Enriched and tPA-Sensitive Photothrombotic Stroke Model

    Published on: June 4, 2021

  • tPA benefits are limited to a small subset of carefully selected acute stroke patients.
  • Increased risk of intracranial hemorrhage necessitates cautious application of tPA.
  • Widespread application of stroke thrombolysis requires further evidence.
  • Conclusions:

    • Thrombolytic therapy for acute stroke should be restricted to formal research or monitored practice protocols adhering to NINDS eligibility criteria.
    • Treatment should be limited to centers with advanced neurological and neuro-imaging resources.
    • Expert interpretation of CT scans and neurologist involvement are crucial for safe tPA administration.