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Related Concept Videos

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Endoscopic Studies II: Thoracocentesis

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Thoracentesis(Thoracocentesis), commonly known as pleural tap, is a medical procedure where a 22 gauge needle is inserted into the pleural space, the area between the lung and chest wall. This procedure is commonly performed to diagnose or treat various respiratory disorders.
Description
Excess pleural fluid or air may accumulate in some respiratory disorders in the thoracic cavity. To treat pleural effusion, a physician conducts thoracentesis by carefully piercing the chest wall and entering...
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Endoscopy is a non-surgical medical technique used to examine a person's internal organs and vessels. This lesson will focus on two types of endoscopic studies: bronchoscopy and thoracoscopy.
Bronchoscopy
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Bronchoscopy is a procedure that involves direct visualization of the larynx, trachea, and bronchi for diagnostic and therapeutic purposes. A flexible fiber optic or rigid bronchoscope is used to carry out the procedure. The fiber-optic bronchoscope is more frequently used due...
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Pleural effusion is an abnormal fluid accumulation in the pleural cavity, a narrow space between the lungs and the chest wall. It is not a disease per se but rather a symptom or indication of an underlying disease. In normal circumstances, this space contains a small amount of fluid (5 to 15 mL), a lubricant facilitating the non-frictional movement of the pleural surfaces.
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Pleural Effusion II: Symptoms and Management01:28

Pleural Effusion II: Symptoms and Management

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Pleural Effusion Overview
A pleural effusion is the abnormal collection of fluid between the parietal and visceral pleura layers of tissue that form the lining of the lungs and chest cavity. It can occur independently or due to surrounding parenchymal diseases, such as infection, malignancy, or inflammatory conditions.
Clinical Manifestations:
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Pleura of the Lungs01:13

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The lungs are nestled in a cavity, shielded by the pleura. The pleura, a form of serous membrane, wraps around each lung. This membrane arrangement consists of two layers: the visceral and parietal pleurae. The visceral pleura lines the surface of the lungIn contrast, the parietal pleura is the outer layer and contacts to the thoracic wall, the mediastinum, and the diaphragm. The hilum is the point of connection between the visceral and parietal layers. The space between the parietal and...
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Related Experiment Video

Updated: Apr 20, 2026

Local Anesthetic Thoracoscopy for Undiagnosed Pleural Effusion
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Ultrasound-guided pleural access.

Samira Shojaee1, A Christine Argento2

  • 1Division of Interventional Pulmonology, Department of Pulmonary and Critical Care Medicine, Virginia Commonwealth University, Richmond, Virginia.

Seminars in Respiratory and Critical Care Medicine
|December 3, 2014
PubMed
Summary
This summary is machine-generated.

Chest ultrasonography is a valuable, radiation-free tool for diagnosing thoracic and pleural diseases. It enhances the safety and efficacy of invasive pleural procedures like thoracentesis.

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Area of Science:

  • Pulmonary Medicine
  • Medical Imaging
  • Thoracic Surgery

Background:

  • Ultrasonography is increasingly recognized in pulmonary medicine for managing thoracic and pleural diseases.
  • Ultrasound offers a cost-effective, real-time imaging modality without ionizing radiation risks.
  • Its portability and ease of use facilitate bedside examinations.

Purpose of the Study:

  • To review the technique of chest ultrasonography.
  • To compare ultrasound with other thoracic imaging modalities.
  • To highlight ultrasound's role in invasive pleural procedures.

Main Methods:

  • Review of clinical research and established practices in chest ultrasonography.
  • Comparative analysis of ultrasound versus traditional thoracic imaging techniques.
  • Focus on ultrasound-guided pleural access for procedures.

Main Results:

  • Chest ultrasonography provides immediate, accurate information on thoracic pathologies.
  • Ultrasound enables safer performance of pleural procedures, including thoracentesis and chest tube insertion.
  • It is a valuable tool for real-time guidance during medical thoracoscopy.

Conclusions:

  • Chest ultrasonography is an essential, safe, and effective imaging tool for pulmonologists.
  • Ultrasound significantly improves the safety and accuracy of invasive pleural procedures.
  • Its benefits include cost-effectiveness, radiation-free imaging, and bedside utility.