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Related Concept Videos

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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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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...
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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

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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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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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Nursing responsibilities before cardiac catheterization include:Assess for allergies and establish baseline health status.Before cardiac catheterization, assess the patient for allergies to contrast dye. Perform a comprehensive baseline assessment, including vital signs, heart and breath sounds, and a neurovascular assessment of the extremities, noting distal pulses, skin color, and temperature. Instruct the patient to fast for 8-12 hours before the procedure. Evaluate baseline laboratory...
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Related Experiment Video

Updated: Dec 21, 2025

Catheter-based Endovascular Angioplasty for Fibrosing Mediastinitis-associated Pulmonary Vein Stenosis
06:59

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Catheter embolization from implanted venous access devices: case reports.

M E Carr1

  • 1Department of Medicine, Medical College of Virginia, Richmond.

Angiology
|April 1, 1989
PubMed
Summary
This summary is machine-generated.

Catheter embolization from implanted venous access devices can occur due to O-ring slippage or catheter fracture. Percutaneous removal is a safe option for these serious complications.

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Area of Science:

  • Vascular Surgery
  • Interventional Radiology
  • Medical Device Complications

Background:

  • Implanted venous access devices are crucial for long-term therapies.
  • Catheter embolization is a rare but serious complication associated with these devices.

Observation:

  • Two cases of catheter embolization into the right heart from implanted venous access devices are presented.
  • Causes identified were O-ring slippage and spontaneous catheter fracture at the clavicle-first rib junction.
  • Symptoms included chest discomfort, right upper quadrant pain, and nausea.

Findings:

  • Both embolized catheter fragments were successfully removed percutaneously without complications.
  • Radiographic evidence identified risk factors like O-ring slippage and catheter kinking.
  • Resolution of symptoms, including an extra heart sound, was observed post-removal.

Implications:

  • Highlights the importance of careful device assessment and patient monitoring for venous access devices.
  • Underscores the efficacy of percutaneous retrieval for catheter emboli.
  • Informs clinicians about potential failure modes and clinical presentations of catheter embolization.