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Related Concept Videos

Respiratory System Abnormal Finding II: Palpation and Auscultation01:31

Respiratory System Abnormal Finding II: Palpation and Auscultation

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

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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.
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Suctioning the Oropharyngeal Airway01:25

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In preparing for oropharyngeal airway suctioning, a nurse must gather all necessary equipment, including a suction unit with tubing, a prepackaged suction kit, sterile gloves, water or saline for irrigation, a water-soluble lubricant, and additional personal protective equipment (such as a gown, mask, and goggles) to control infections.
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Cardiopulmonary Resuscitation V: Advanced Airway Management Techniques01:30

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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...
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Assessment of Airway, Skin Color, and Use of Accessory Muscles01:30

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A thorough assessment of respiratory health is paramount in clinical settings to identify and manage respiratory distress and ensure adequate oxygenation. This article elaborates on the critical aspects of respiratory evaluation, including airway assessment, skin color examination, and the observation of accessory muscle use, which are integral to effectively diagnosing and managing patients with respiratory conditions.
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The initial evaluation of a patient's respiratory system...
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Physical Assessment of the Respiratory Tract IV: Auscultation01:28

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Auscultation is a crucial component of the physical assessment of the respiratory tract. It offers valuable insights into airflow through the bronchial tree and potential lung obstructions. This process involves careful listening to breath, voice, and adventitious sounds, which can reveal a wealth of information about a patient's respiratory health.
Breath Sounds
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Related Experiment Video

Updated: Nov 26, 2025

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An unusual progressive stridor.

Matveï Apraxine1, Philippe Mineur2, Jean Huet3

  • 1Dept of Pulmonology, GHdC, Charleroi, Belgium.

Breathe (Sheffield, England)
|December 11, 2020
PubMed
Summary
This summary is machine-generated.

A flattened flow-volume curve indicates upper airway obstruction. Plasma cell neoplasms should be considered in diagnosing respiratory tract invasions.

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Area of Science:

  • Pulmonology
  • Oncology

Background:

  • Upper airway obstruction can manifest with characteristic changes in flow-volume curves.
  • Plasma cell neoplasms are a rare but important cause of upper respiratory tract infiltration.

Purpose of the Study:

  • To highlight the diagnostic significance of flow-volume curve abnormalities in upper airway obstruction.
  • To emphasize the role of plasma cell neoplasms in the differential diagnosis of upper airway lesions.

Main Methods:

  • Analysis of flow-volume loop characteristics in patients with suspected upper airway obstruction.
  • Review of clinical presentations and diagnostic findings in cases involving plasma cell neoplasms of the upper respiratory tract.

Main Results:

  • Flattening of both inspiratory and expiratory limbs of the flow-volume curve is indicative of proximal airway narrowing.
  • Plasma cell neoplasms can present as infiltrative lesions within the upper respiratory tract, mimicking other conditions.

Conclusions:

  • Flow-volume curve analysis is a valuable non-invasive tool for detecting proximal upper airway obstruction.
  • Clinicians should consider plasma cell neoplasms in the differential diagnosis of unexplained upper airway obstructions, particularly those with infiltrative patterns.