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Related Concept Videos

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...
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...
Disorders of Hemostasis01:24

Disorders of Hemostasis

Hemostasis, the process that stops bleeding after a blood vessel injury, is crucial for maintaining the integrity of the circulatory system. However, disorders of hemostasis can disrupt this delicate balance, leading to either excessive clotting or bleeding. These disorders can be broadly classified into thromboembolic disorders and bleeding disorders.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
Increased Intracranial Pressure l: Introduction01:14

Increased Intracranial Pressure l: Introduction

Intracranial hypertension is a sustained elevation of intracranial pressure (ICP) above 22 mm Hg. In supine adults, normal ICP is ~7–15 mm Hg.The rigid, nonexpandable cranium contains three components—brain tissue, blood, and cerebrospinal fluid (CSF)—that total ~1,700 mL in a typical adult: 1,400 mL brain (~80%), 150 mL blood (~10%), and 150 mL CSF (~10%). According to the Monro–Kellie doctrine, total intracranial volume is effectively fixed. When one component expands, CSF and venous blood...
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...
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...

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Related Experiment Video

Updated: May 19, 2026

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

Headache in essential thrombocythaemia.

R Frewin1, A Dowson

  • 1Pathology Department, Gloucester Royal Hospital, Gloucester, UK. rebecca.frewin@glos.nhs.uk

International Journal of Clinical Practice
|August 15, 2012
PubMed
Summary

Headaches are common in essential thrombocythaemia (ET) but often overlooked. Recognizing specific headache types in ET patients improves management and patient outcomes.

Area of Science:

  • Neurology
  • Hematology

Background:

  • Headache is a frequent neurological symptom in essential thrombocythaemia (ET) and other myeloproliferative neoplasms.
  • This symptom is often under-recognized and associated with significant morbidity.
  • Headaches in ET patients can stem from the disease itself, its treatment, or unrelated causes.

Purpose of the Study:

  • To review the incidence and management of headaches in ET patients.
  • To differentiate headaches related to ET disease versus ET treatment.
  • To guide physicians in identifying specific headache types for effective management.

Main Methods:

  • Literature review on headaches in essential thrombocythaemia.
  • Analysis of headache causes (disease-related, treatment-related, unrelated).

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  • Discussion of standard and specific therapeutic approaches.
  • Main Results:

    • Most headaches in ET are self-limiting and manageable with standard therapies like paracetamol.
    • It is crucial to identify headaches indicative of more serious underlying pathology.
    • Specific headache identification can lead to tailored medication choices.

    Conclusions:

    • Effective management of headaches in ET requires recognizing their diverse origins.
    • Tailored treatment strategies enhance patient-physician relationships and compliance.
    • Reducing the risk of adverse outcomes through appropriate headache management is vital.