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Related Concept Videos

Physical Assessment of the Respiratory Tract III: Percussion01:29

Physical Assessment of the Respiratory Tract III: Percussion

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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.
Percussion in Respiratory Assessment
Percussion evaluates underlying tissue composition with audible and tactile vibrations,...
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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.
Procedure:
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.
The abdominal ultrasound process begins with applying a special gel to the patient's skin over the abdomen. This gel enhances the...
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Ultrasound II: Endoscopic Ultrasound and FibroScan01:25

Ultrasound II: Endoscopic Ultrasound and FibroScan

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Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
Endoscopic Ultrasound (EUS):
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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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Assessment of the Abdomen II: Percussion01:18

Assessment of the Abdomen II: Percussion

142
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.
Percussion
Percussion is an essential...
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Assessment of the Abdomen I: Inspection and Auscultation01:25

Assessment of the Abdomen I: Inspection and Auscultation

216
Introduction
The abdominal examination is a cornerstone of clinical medicine, serving as a critical tool in diagnosing various gastrointestinal (GI) diseases. It involves a systematic approach that includes inspection and auscultation, each with distinct yet complementary roles in assessing the abdomen. This article will delve into these two primary methods healthcare professionals use to examine the abdomen.
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Related Experiment Video

Updated: May 16, 2025

Author Spotlight: Unraveling the Impact of Mechanical Ventilation on Diaphragm Function and Patient Outcomes
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Ultrasound as diagnostic tool in diaphragm dysfunction: a prospective construct validity study.

Wytze S de Boer1, Krista L Parlevliet2, Leonie A Kooistra3

  • 1Department of Pulmonology, Isala Hospital, Zwolle, the Netherlands; Department of Pulmonary Diseases, University of Groningen, University Medical Center Groningen, Groningen, the Netherlands.

Respiratory Medicine
|April 5, 2025
PubMed
Summary

Diaphragm ultrasound is a reliable tool for diagnosing diaphragm dysfunction, showing high concordance with physician diagnoses. Individual ultrasound parameters like visual assessment and Diaphragm Excursion (DE) demonstrate strong performance, supporting its clinical use.

Keywords:
DiaphragmFluoroscopyUltrasound

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Area of Science:

  • Medical Imaging
  • Pulmonology
  • Diagnostic Techniques

Background:

  • Diaphragm dysfunction is an underdiagnosed cause of dyspnea.
  • Traditional diagnosis relies on history, symptoms, and imaging.
  • Diaphragm ultrasound offers a promising alternative to fluoroscopy.

Purpose of the Study:

  • To evaluate the construct validity of diaphragm ultrasound compared to traditional diagnostic methods.
  • To assess the reliability of ultrasound in diagnosing diaphragm dysfunction.

Main Methods:

  • A prospective, operator-blinded study involving 36 adults with suspected diaphragm dysfunction.
  • Comparison of ultrasound diagnostic criteria against traditional criteria (fluoroscopy, pulmonary function tests).
  • Evaluation of concordance with the treating physician's final diagnosis and inter-rater reliability.

Main Results:

  • Ultrasound criteria showed 55.6% concordance with traditional tests.
  • Ultrasound criteria had higher concordance with the final diagnosis (75.0%) than traditional tests (63.9%).
  • Individual parameters (visual assessment, Thickening Fraction, Diaphragm Excursion, fluoroscopy) showed high concordance with the final diagnosis.

Conclusions:

  • Diaphragm ultrasound is a reliable tool for diagnosing diaphragm dysfunction.
  • Individual ultrasound parameters, particularly visual assessment and Diaphragm Excursion, exhibit strong performance.
  • Ultrasound serves as a viable alternative to traditional methods like fluoroscopy in clinical practice.