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Related Concept Videos

Pulmonary Cycle: Exhalation01:17

Pulmonary Cycle: Exhalation

In terms of human respiration, the act of expelling air, known as exhalation (or expiration), operates on the principle of pressure gradients. During expiration, the pressure within the lungs exceeds that of the surrounding atmosphere. Under normal conditions, quiet breathing involves passive exhalation and is free of muscular contractions. This is because the exhalation process is driven by the natural elastic recoil of the lungs and chest wall, both of which have an inherent tendency to...
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Radiological Investigation II: MRI and Ventilation Perfusion Scan

Description
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MRI
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Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
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Acute Respiratory Failure-I

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The Application of Point-of-Care Ultrasonography (POCUS) in the Management of Acute Respiratory Distress Syndrome (ARDS) in the Intensive Care Unit
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[Airways dysfunction syndromes RADS and RUDS].

Pia Nynäs1, Jukka Uitti, Jussi Karjalainen

  • 1Työterveyslaitos, Tampere, TAYS:n työlääketieteen poliklinikka.

Duodecim; Laaketieteellinen Aikakauskirja
|April 26, 2013
PubMed
Summary

Reactive Airways Dysfunction Syndrome (RADS) and Upper Airways Dysfunction Syndrome (RUDS) result from chemical irritant exposure. This case study highlights RUDS in a patient with RADS-like symptoms following workplace chemical exposure.

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Area of Science:

  • Occupational Medicine
  • Pulmonology
  • Toxicology

Background:

  • Reactive Airways Dysfunction Syndrome (RADS) is a non-allergic asthma subtype triggered by acute chemical irritant inhalation.
  • Upper Airways Dysfunction Syndrome (RUDS) is characterized by upper airway inflammation and potential olfactory dysfunction post-chemical exposure.

Observation:

  • A patient presented with symptoms mimicking RADS after acute exposure to chemical vapors in her occupational setting.
  • Clinical evaluation suggested a diagnosis of RUDS, despite the initial RADS-like presentation.

Findings:

  • The patient's presentation, while initially resembling RADS, was ultimately diagnosed as RUDS.
  • This case underscores the overlap and diagnostic considerations between RADS and RUDS.

Implications:

  • Understanding the distinction and overlap between RADS and RUDS is crucial for accurate occupational health diagnosis.
  • Prompt identification and management of RUDS can potentially prevent long-term upper airway dysfunction and disability.