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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...
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...
Pulmonary Embolism III: Nursing Management01:27

Pulmonary Embolism III: Nursing Management

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...
Pneumothorax II: Pathophysiology01:08

Pneumothorax II: Pathophysiology

Pneumothorax means the presence of air in the pleural space — the thin potential gap between the visceral and parietal pleura. This condition disrupts the normal pressure balance that keeps the lungs inflated, leading to partial or complete collapse of the affected lung.Normal physiologyUnder normal conditions, the pleural space maintains a slightly negative intrapleural pressure, which keeps the lungs expanded against the chest wall. This negative pressure creates a delicate balance between...
Pulmonary Edema II: Pathophysiology01:18

Pulmonary Edema II: Pathophysiology

Pulmonary edema is the accumulation of fluid in the interstitial and alveolar spaces of the lungs, impairing gas exchange and oxygen delivery. It may be cardiogenic or noncardiogenic, but both reduce oxygenation and lung compliance.Cardiogenic Pulmonary EdemaCardiogenic edema results from increased hydrostatic pressure in pulmonary capillaries, usually due to left ventricular dysfunction from myocardial infarction, heart failure, or valvular disease. Ineffective cardiac pumping causes blood to...

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Related Experiment Video

Updated: Jun 8, 2026

A Porcine Model of Acute Autologous Pulmonary Embolism
07:44

A Porcine Model of Acute Autologous Pulmonary Embolism

Published on: September 6, 2024

Pulmonary Palacos embolism: a case report.

A Rasch1, J Sindermann, H H Scheld

  • 1Department of Thoracic and Cardiovascular Surgery, University Hospital, Westfälische Wilhelms-University, Münster, Germany.

The Thoracic and Cardiovascular Surgeon
|October 6, 2010
PubMed
Summary
This summary is machine-generated.

Cement-augmented pedicle screws are useful for bone metastases and osteoporosis. A patient experienced a pulmonary embolism after lumbar corporectomy, which was successfully treated with extracorporeal circulation.

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Establishment of a Minimally Invasive Rat Model of Pulmonary Embolism Using Autologous Blood Clots
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Establishment of a Minimally Invasive Rat Model of Pulmonary Embolism Using Autologous Blood Clots

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Last Updated: Jun 8, 2026

A Porcine Model of Acute Autologous Pulmonary Embolism
07:44

A Porcine Model of Acute Autologous Pulmonary Embolism

Published on: September 6, 2024

Establishment of a Minimally Invasive Rat Model of Pulmonary Embolism Using Autologous Blood Clots
08:02

Establishment of a Minimally Invasive Rat Model of Pulmonary Embolism Using Autologous Blood Clots

Published on: October 25, 2024

Area of Science:

  • Spinal surgery
  • Interventional radiology
  • Cardiovascular surgery

Background:

  • Cement-augmented pedicle screw instrumentation offers expanded therapeutic options for spinal conditions.
  • It is particularly beneficial in managing bone metastases and generalized osteoporosis.
  • Serious complications, including pulmonary embolism, can occur with these procedures.

Observation:

  • A 55-year-old patient underwent lumbar corporectomy (vertebrae L3-L4) with reconstruction using autologous bone.
  • Following the procedure, the patient developed a large central Palacos (bone cement) embolism in the right pulmonary artery.

Findings:

  • The Palacos embolism was successfully removed from the right pulmonary artery.
  • The intervention required the use of extracorporeal circulation.

Implications:

  • This case highlights a rare but serious complication associated with cement augmentation in spinal surgery.
  • Successful surgical removal of pulmonary cement embolism is feasible with extracorporeal circulation.
  • Emphasizes the importance of careful technique and awareness of potential risks in cement-augmented spinal procedures.