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Related Concept Videos

Endoscopic Studies I: Bronchoscopy and Thoracoscopy01:30

Endoscopic Studies I: Bronchoscopy and Thoracoscopy

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
Description
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 to...
Ultrasound II: Endoscopic Ultrasound and FibroScan01:25

Ultrasound II: Endoscopic Ultrasound and FibroScan

Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
Endoscopic Ultrasound (EUS):
Endoscopic Studies II: Thoracocentesis01:26

Endoscopic Studies II: Thoracocentesis

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...
Ultrasonography01:17

Ultrasonography

Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called a...
Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
Cardiopulmonary Resuscitation V: Advanced Airway Management Techniques01:30

Cardiopulmonary Resuscitation V: Advanced Airway Management Techniques

Airway management is essential in emergency and surgical medicine, ensuring ventilation and oxygenation in patients who cannot maintain their own airway. Clinicians use a range of techniques and devices to secure the airway, depending on the patient’s condition and the clinical context. Key methods include endotracheal intubation, rapid sequence intubation (RSI), supraglottic airway devices, and advanced visualization aids. In cases where these approaches fail, surgical airway interventions are...

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Related Experiment Video

Updated: Jun 10, 2026

Substernal Thyroid Biopsy Using Endobronchial Ultrasound-guided Transbronchial Needle Aspiration
10:19

Substernal Thyroid Biopsy Using Endobronchial Ultrasound-guided Transbronchial Needle Aspiration

Published on: November 10, 2014

[Ultrasound, bronchoscopy].

Noriaki Kurimoto1, H Nakamura

  • 1Department of Chest Surgery, St. Marianna University, School of Medicine, Kawasaki, Japan.

Kyobu Geka. the Japanese Journal of Thoracic Surgery
|August 19, 2010
PubMed
Summary

Endobronchial ultrasonography (EBUS) enhances peripheral pulmonary lesion diagnosis by visualizing internal structures and guiding biopsies. EBUS with a guide sheath (EBUS-GS) improves lesion access and specimen collection during transbronchial needle aspiration (TBNA).

Area of Science:

  • Pulmonology
  • Medical Imaging
  • Interventional Bronchoscopy

Context:

  • Endobronchial ultrasonography (EBUS) is a key tool in diagnosing peripheral pulmonary lesions.
  • Understanding the layered structure of airways via EBUS is crucial for accurate navigation and biopsy.
  • EBUS-GS facilitates repeated access and protected sampling of bronchial lesions.

Purpose:

  • To detail the diagnostic capabilities of EBUS in visualizing airway anatomy and peripheral pulmonary lesions.
  • To highlight the advantages of EBUS-GS in improving lesion localization and biopsy safety.
  • To provide practical techniques for successful EBUS-guided transbronchial needle aspiration (TBNA).

Summary:

  • EBUS with a 20 MHz probe visualizes 5 layers in cartilaginous airways and 3 in membranous portions.

Related Experiment Videos

Last Updated: Jun 10, 2026

Substernal Thyroid Biopsy Using Endobronchial Ultrasound-guided Transbronchial Needle Aspiration
10:19

Substernal Thyroid Biopsy Using Endobronchial Ultrasound-guided Transbronchial Needle Aspiration

Published on: November 10, 2014

  • EBUS aids in analyzing internal structures and locating peripheral pulmonary lesions during bronchoscopy.
  • EBUS-GS offers repeatable access, protects against bleeding, and provides short-axis views for lesion sampling.
  • Successful EBUS-TBNA requires avoiding cartilage puncture and using the needle stylet for optimal specimen retrieval.

    • Impact:

    • Enhances the diagnostic yield of bronchoscopic procedures for peripheral pulmonary lesions.
    • Improves the safety and efficacy of EBUS-guided biopsies, reducing complications.
    • Provides valuable insights into airway anatomy and lesion characteristics, aiding treatment planning.