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Related Concept Videos

Disorders of Hemostasis01:24

Disorders of Hemostasis

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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.
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Anticoagulant Drugs: Low-Molecular-Weight Heparins01:30

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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...
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Venous Thrombosis I: Introduction01:30

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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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Venous Thrombosis III: Interprofessional Care01:29

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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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Pulmonary Embolism I: Introduction01:29

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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...
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Coagulation01:09

Coagulation

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The coagulation phase is a critical part of the body's process to prevent blood loss following injury to blood vessels. It involves chemical reactions that form a clot to seal the injured area. The clotting process begins shortly after injury, within 15-20 seconds for severe damage and 1-2 minutes for minor injuries.
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Experimental and Imaging Techniques for Examining Fibrin Clot Structures in Normal and Diseased States
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[Pre-Thrombotic (Hypercoagulable) State/Hypercoagulable Disease].

Hideo Wada

    Rinsho Byori. the Japanese Journal of Clinical Pathology
    |April 20, 2016
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    Summary
    This summary is machine-generated.

    Patients with a pre-thrombotic state face a high risk of thrombosis. Diagnosis involves fibrin-related markers (FRMs), with elevated levels indicating a need for anticoagulant therapy.

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    Area of Science:

    • Hematology
    • Clinical Medicine
    • Pathophysiology

    Context:

    • Pre-thrombotic states increase thrombosis risk in various conditions like malignancy, pregnancy, and immobility.
    • Identifying these states is crucial for preventing thrombotic events.

    Purpose:

    • To outline the diagnostic criteria for pre-thrombotic states.
    • To emphasize the role of fibrin-related markers (FRMs) in diagnosis.
    • To highlight the need for anticoagulant therapy in diagnosed patients.

    Summary:

    • A pre-thrombotic state is identified by specific underlying conditions (e.g., malignancy, pregnancy) and causative factors (e.g., dehydration, estrogen use).
    • Diagnosis relies on elevated fibrin-related markers (FRMs), including soluble fibrin (SF), fibrinogen and fibrin degradation products (FDP), and D-dimer.
    • Higher FRM cut-off values are observed in pregnancy and malignant diseases.

    Impact:

    • Early diagnosis and treatment of pre-thrombotic states can mitigate the risk of thrombosis.
    • Understanding diagnostic markers aids clinicians in patient management.
    • This research supports timely intervention with anticoagulant therapy for high-risk individuals.