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Videos de Conceptos Relacionados

Venous Thrombosis I: Introduction01:30

Venous Thrombosis I: Introduction

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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

Venous Thrombosis III: Interprofessional Care

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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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Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies

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The key difference between Superficial Vein Thrombosis (SVT) and Deep Vein Thrombosis (DVT) lies in their location and severity.Clinical ManifestationsSVT typically presents with localized pain, tenderness, and redness along the course of a superficial vein, often accompanied by a palpable, cord-like structure under the skin. This condition is usually less dangerous than DVT but can be uncomfortable and may lead to complications such as cellulitis or, rarely, a clot extension into the deep...
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Pulmonary Embolism I: Introduction01:29

Pulmonary Embolism I: Introduction

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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...
210
Venous Thrombosis IV: Nursing Management01:30

Venous Thrombosis IV: Nursing Management

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Nursing management begins with a thorough assessment of the patient's health history. Key factors include trauma to veins, peripherally inserted central catheters, varicose veins, recent pregnancy or childbirth, surgery, bacteremia, prolonged bed rest, atrial fibrillation, COPD, heart failure, cancer, coagulation disorders, myocardial infarction, spinal cord injury, stroke, prolonged travel, recent bone fractures, and dehydration. Review medication intake, particularly oral contraceptives,...
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Pulmonary Embolism III: Nursing Management01:27

Pulmonary Embolism III: Nursing Management

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A pulmonary embolism occurs when a thrombus, amniotic fluid, tumor tissue, fat, or air embolus blocks one or more pulmonary arteries. Effective nursing management and patient education are crucial for improving outcomes and preventing recurrence.Nursing management starts with obtaining a comprehensive patient history, particularly noting any history of deep vein thrombosis (DVT). Assess for clinical manifestations, including dyspnea, chest pain, crackles, heart murmurs, and signs of right-sided...
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Video Experimental Relacionado

Updated: Nov 5, 2025

Point-Of-Care Ultrasound Screening for Proximal Lower Extremity Deep Venous Thrombosis
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Tromboembolismo venoso

Faizan Khan1, Tobias Tritschler2, Susan R Kahn3

  • 1School of Epidemiology and Public Health, Ottawa Hospital Research Institute, University of Ottawa, Ottawa, ON, Canada; Clinical Epidemiology Program, Ottawa Hospital Research Institute, University of Ottawa, Ottawa, ON, Canada.

Lancet (London, England)
|May 13, 2021
PubMed
Resumen
Este resumen es generado por máquina.

El tromboembolismo venoso (TEV) afecta a millones de personas en todo el mundo. El diagnóstico combina puntuaciones clínicas, pruebas de D-dimero e imágenes, con anticoagulantes orales directos como tratamiento primario.

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Área de la Ciencia:

  • Cardiología
  • Hematología
  • Médico interno

Sus antecedentes:

  • El tromboembolismo venoso (TEV), que abarca la trombosis venosa profunda y la embolia pulmonar, es un problema de salud mundial significativo que afecta a millones de personas cada año.
  • Si bien la cirugía mayor y el cáncer activo son fuertes factores de riesgo, muchos eventos de TEV no son provocados.
  • Las vías de diagnóstico actuales incluyen evaluación de probabilidad clínica, pruebas de D-dimero e imágenes.

Objetivo del estudio:

  • Proporcionar una visión general del diagnóstico, tratamiento y prevención del tromboembolismo venoso.
  • Destacar el papel de los anticoagulantes orales directos (DOAC) en el tratamiento de la TEV.
  • Discutir las direcciones de investigación en curso en la atención de la TEV.

Principales métodos:

  • Trabajo de diagnóstico secuencial que incluya puntuaciones clínicas (por ejemplo, puntuación de Wells), pruebas de D-dimero e imágenes (ultrasonografía, tomografía computarizada, exploración V/Q).
  • Tratamiento de primera línea con anticoagulantes orales directos (DOAC) para la mayoría de los pacientes con TEV, incluidos los con cáncer.
  • Duración de la anticoagulación estratificada por riesgo: interrupción después de 3-6 meses para eventos provocados, tratamiento indefinido para TEV de alto riesgo o no provocado.

Principales resultados:

  • Se puede excluir TEV en pacientes con baja probabilidad clínica y D-dimer normal.
  • Los DOAC son el tratamiento de primera línea recomendado para casi todos los casos de TEV.
  • La duración de la anticoagulación se individualiza en función de los factores provocadores y el riesgo de recurrencia frente al riesgo de hemorragia.

Conclusiones:

  • El diagnóstico efectivo de la TEV se basa en un enfoque de varios pasos.
  • Los DOAC representan una piedra angular en el tratamiento moderno de la TEV.
  • La investigación futura tiene como objetivo perfeccionar las herramientas de diagnóstico, comparar los anticoagulantes y personalizar las estrategias de prevención y tratamiento de TEV.