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Related Concept Videos

Physical Assessment of the Respiratory Tract III: Percussion01:29

Physical Assessment of the Respiratory Tract III: Percussion

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,...
Respiratory System Abnormal Finding I: Inspection and Percussion01:30

Respiratory System Abnormal Finding I: Inspection and Percussion

Respiratory system abnormalities are a significant concern in healthcare due to their potential to indicate underlying severe conditions like Chronic Obstructive Pulmonary Disease (COPD), asthma, and pneumonia. These abnormalities can often be detected through physical examination methods like inspection and percussion.
Inspection Findings
During an inspection, several findings may suggest the presence of respiratory distress or disease. Pursed-lip breathing, where exhalation is slowed by...
Assessment of Respiration01:23

Assessment of Respiration

The respiratory system's basic structures and primary functions lay the foundation for nurses' comprehensive respiratory assessments. This assessment includes subjective and objective data to gauge the patient's respiratory health.
Subjective Assessment: Nurses interview the patient to gather information directly during the subjective assessment. It includes questions about the individual's medical history, medications, and symptoms, focusing on past respiratory conditions like asthma or COPD,...
Respiratory System Abnormal Finding II: Palpation and Auscultation01:31

Respiratory System Abnormal Finding II: Palpation and Auscultation

In assessing respiratory abnormalities, palpation and auscultation are critical tools for detecting and interpreting various pathophysiological changes. These techniques provide insight into underlying disorders by evaluating tactile sensations and sounds produced by the respiratory system.
Palpation Findings
During a respiratory assessment, palpation can reveal several vital abnormalities:
Assessment of Ventilation II: Respiratory Depth and Rhythm01:29

Assessment of Ventilation II: Respiratory Depth and Rhythm

Respiratory Depth
Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
To assess respiratory depth, observe the degree of chest excursion or movement:
Physical Assessment of the Respiratory Tract II: Palpation01:24

Physical Assessment of the Respiratory Tract II: Palpation

Physical assessment of the respiratory tract is critical in identifying potential health issues. One key component of this assessment is palpation, a technique healthcare providers use to assess the body for abnormalities. This content explores the method of palpation in evaluating the respiratory tract, focusing on thoracic palpation and tactile fremitus.
Thoracic Palpation
Thoracic palpation detects tenderness, masses, lesions, respiratory excursions, and vocal fremitus. The nurse assesses...

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Employing the Forced Oscillation Technique for the Assessment of Respiratory Mechanics in Adults
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Side band Ronchi test.

D Malacara, A Cornejo

    Applied Optics
    |February 19, 2010
    PubMed
    Summary
    This summary is machine-generated.

    Holographic techniques generate Ronchi rulings with carriers for highly defined fringes, overcoming diffraction blurring seen in normal tests. This method also applies to circular fringe patterns.

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    Area of Science:

    • Optics and Photonics
    • Holography
    • Interferometry

    Background:

    • Traditional Ronchi tests often produce diffraction-blurred fringes, limiting their resolution and clarity.
    • Generating precise optical patterns is crucial for accurate metrology and testing applications.

    Purpose of the Study:

    • To introduce a holographic method for generating Ronchi rulings with carriers.
    • To demonstrate the capability of this method to produce highly defined Ronchi fringes.
    • To extend the holographic technique to circular fringe generation.

    Main Methods:

    • Utilizing holographic interferometry to create a Ronchi ruling with a carrier frequency.
    • Implementing a procedure to generate sharp, well-defined Ronchi fringes.
    • Generalizing the holographic technique for circular fringe patterns.

    Main Results:

    • The holographic generation of Ronchi rulings with carriers yields significantly improved fringe definition.
    • Diffraction-induced blurring, common in standard Ronchi tests, is effectively eliminated.
    • The technique is adaptable for creating precise circular fringe patterns.

    Conclusions:

    • Holographic generation of Ronchi rulings with carriers offers a superior alternative to conventional methods.
    • This technique enhances the precision and clarity of fringe patterns in optical testing.
    • The method's applicability to circular fringes broadens its utility in optical metrology.