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Related Concept Videos

Ultrasonography01:17

Ultrasonography

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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...
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Physical Assessment of the Respiratory Tract III: Percussion01:29

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The respiratory system, fundamental to life, consists of complex structures responsible for gas exchange. The percussion assessment is critical to understanding this system's health and functionality. This non-invasive assessment technique allows healthcare providers to evaluate the density or aeration of the lungs, thereby identifying potential abnormalities.
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Ultrasound II: Endoscopic Ultrasound and FibroScan01:25

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Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
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Ultrasound I: Abdominal Ultrasonography01:20

Ultrasound I: Abdominal Ultrasonography

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Introduction:
Abdominal ultrasonography, commonly known as abdominal ultrasound, is a vital, non-invasive medical imaging technique widely used in healthcare.
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This diagnostic tool allows the clinician to visually inspect internal structures within the abdomen, including vital organs such as the liver, gallbladder, pancreas, kidneys, and spleen.
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Imaging Studies II: Ultrasonography01:24

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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...
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Assessment of the Abdomen II: Percussion01:18

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Percussion is a fundamental technique used to assess the liver, spleen, and abdominal organs by tapping the abdomen and interpreting the resulting sounds. This method helps identify fluid, distention, and masses through variations in sound, such as the high-pitched tympany of air-filled areas and the dullness of solid masses. Understanding how to percuss these organs provides valuable information for healthcare professionals in diagnosing conditions early.
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Related Experiment Video

Updated: Feb 28, 2026

Author Spotlight: Unraveling the Impact of Mechanical Ventilation on Diaphragm Function and Patient Outcomes
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[Ultrasonographic evaluation of diaphragm structure and function].

Feifei Wang1, Xiaoping Zhu, Shaolin Ma

  • 1Ningxia Medical University, Yinchuan 750004, Ningxia, China (Wang FF); Department of Respiratory Disease, Shanghai East Hospital, Tongji University of School Medicine, Shanghai 200120, China (Zhu XP); Department of Critical Care Medicine, Shanghai East Hospital, Tongji University of School Medicine, Shanghai 200120, China (Ma SL). Corresponding author: Ma Shaolin,

Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
|June 20, 2017
PubMed
Summary

Diaphragm dysfunction impacts mechanical ventilation weaning. Ultrasonography offers a safe, noninvasive method to assess diaphragm structure and function, aiding in timely diagnosis and recovery assessment.

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Area of Science:

  • Pulmonology
  • Critical Care Medicine
  • Diagnostic Imaging

Background:

  • Diaphragm dysfunction is a key factor in weaning failure from mechanical ventilation and prolonged intensive care unit (ICU) stays.
  • Traditional methods for assessing diaphragm function are invasive, lack specificity, and are difficult for bedside use.
  • Causes of diaphragm dysfunction include mechanical ventilation, cardiopulmonary diseases, surgery, and critical illness.

Purpose of the Study:

  • To review the techniques and clinical applications of ultrasonography for evaluating diaphragm structure and function.
  • To highlight ultrasonography as a potential tool for timely identification of diaphragm dysfunction.
  • To explore its role in assessing recovery from diaphragm weakness.

Main Methods:

  • Review of existing research on ultrasonographic evaluation of the diaphragm.
  • Focus on techniques for quantifying diaphragm structure and function using ultrasound.
  • Analysis of clinical applications in diverse patient populations.

Main Results:

  • Ultrasonography is proposed as an accurate, safe, and noninvasive method for diaphragm assessment.
  • This technique allows for quantification of diaphragm structure and function.
  • Potential for improved patient management and outcomes.

Conclusions:

  • Ultrasonography represents a promising noninvasive tool for evaluating diaphragm health.
  • It can aid in the early detection of diaphragm dysfunction.
  • Facilitates better assessment of recovery, potentially reducing ICU stay and improving weaning success.