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Related Concept Videos

Pulmonary Embolism I: Introduction01:29

Pulmonary Embolism I: Introduction

Pulmonary embolism (PE) occurs when a thrombus, fat or air embolus, amniotic fluid, or tumor tissue blocks one or more pulmonary arteries. These blockages originate in the venous system or the right side of the heart.EtiologyPE primarily arises from deep vein thrombosis (DVT) and other hypercoagulable states, such as inherited thrombophilias. Additional etiological factors include venous stasis, commonly seen in obesity, and endothelial injury from surgery and trauma. Less common causes include...
Pulmonary Embolism I: Introduction01:19

Pulmonary Embolism I: Introduction

A blood clot, or thrombus, is a semi-solid mass composed of fibrin, platelets, and red blood cells. When it forms within a vessel, it can obstruct blood flow, known as thrombosis. If part of the clot detaches, it becomes an embolus that can travel and block distant vessels. When this occurs in the pulmonary arteries, it causes a condition known as pulmonary embolism (PE).Origin and ImpactMost often, the embolus originates from a thrombus in the deep veins of the lower limbs, a condition called...
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...
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.
Venous Thrombosis I: Introduction01:30

Venous Thrombosis I: Introduction

Venous thrombosis, the most common disorder of the veins, involves the formation of a thrombus or blood clot associated with vein inflammation. It can be classified as either superficial vein thrombosis or deep vein thrombosis.Superficial Vein Thrombosis: This involves the formation of a thrombus in a superficial vein, usually the greater or lesser saphenous vein. Though less severe than deep vein thrombosis (DVT), SVT can lead to complications if untreated.Deep Vein Thrombosis (DVT): This...

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Related Experiment Video

Updated: May 21, 2026

Venous Thrombosis Assay in a Mouse Model of Cancer
04:40

Venous Thrombosis Assay in a Mouse Model of Cancer

Published on: January 5, 2024

[Thromboembolic events in malignant diseases].

Klára Gadó1, Gyula Domján

  • 1Semmelweis Egyetem, Általános Orvostudományi Kar I. Belgyógyászati Klinika Budapest Korányi S. u. 2/A 1083. gadok@freemail.hu

Orvosi Hetilap
|June 15, 2012
PubMed
Summary

Cancer and thrombosis share a strong link, with cancer increasing clot risk and clots worsening cancer prognosis. Accurate assessment of cancer patients' thrombosis risk is crucial for effective management and improved outcomes.

Area of Science:

  • Oncology
  • Hematology
  • Medical Science

Context:

  • Malignancies are linked to increased thromboembolic events.
  • Cancer progression and metastasis are facilitated by hemostatic system activation.
  • Thromboembolism significantly worsens prognosis and increases mortality in cancer patients.

Purpose:

  • To highlight the bidirectional relationship between tumors and thrombosis.
  • To emphasize the increasing incidence of thromboembolism in cancer patients.
  • To underscore the importance of accurate thrombotic risk assessment in oncology.

Summary:

  • Thromboembolic events are a major cause of death in cancer patients, with incidence rising due to newer anti-tumor agents.
  • Risk assessment for thrombosis in cancer patients is critical due to individual variations and disease progression.

Related Experiment Videos

Last Updated: May 21, 2026

Venous Thrombosis Assay in a Mouse Model of Cancer
04:40

Venous Thrombosis Assay in a Mouse Model of Cancer

Published on: January 5, 2024

  • Perioperative thromboprophylaxis is vital but requires careful risk evaluation to avoid complications.

    • Impact:

    • Improved understanding of cancer-associated thrombosis can lead to better patient outcomes.
    • Enhanced risk stratification strategies are needed for personalized thromboprophylaxis in cancer care.
    • Further research into the prothrombotic mechanisms of novel anti-cancer therapies is warranted.