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Pneumothorax-II01:27

Pneumothorax-II

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Pneumothorax is a medical condition defined by the buildup of air in the pleural space between the lungs and the chest wall. This accumulation of air can lead to partial or complete lung collapse, resulting in a range of clinical manifestations. Understanding the clinical presentation and effective management strategies is crucial for healthcare professionals in providing timely and appropriate care to individuals with pneumothorax.
Clinical Manifestations:
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Pneumothorax-I01:26

Pneumothorax-I

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A pneumothorax is a condition where air builds up in the space between the lung and the chest wall, causing the lung to collapse. This condition arises when air enters the space between the parietal and visceral pleura, disrupting the negative pressure essential for lung inflation. This can lead to a partial or complete collapse of the lung.
Pneumothorax can be even further classified as spontaneous, traumatic, and tension pneumothorax.
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Pulmonary Cycle: Exhalation01:17

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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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Pulmonary Ventilation: Inhalation01:24

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Pulmonary ventilation is a vital process that ensures the exchange of oxygen and carbon dioxide in the lungs. It refers to the movement of air into and out of the lungs, enabling the body to obtain oxygen and remove waste carbon dioxide. In this article, we will explore the intricacies of pulmonary ventilation, including its underlying principles, mechanisms, and the interplay of pressures within the respiratory system.
Boyle's law becomes particularly pertinent when examining respiratory...
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The Physiology of Expiration: A Seamless Respiratory Process
Expiration, or exhaling, is a complex physiological process that begins as the inspiratory muscles begin to relax. This relaxation triggers a series of events that epitomize the efficiency of the respiratory system.
Mechanism of Expiration:
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Mechanical Ventilation II: Invasive Ventilation01:23

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Ventilators are essential medical equipment used to aid patients with respiratory difficulties. Their primary function is to assist or replace spontaneous breathing by providing mechanical ventilation. There are two general classes of mechanical ventilators: negative-pressure and positive-pressure ventilators.
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Mechanical insufflation-exsufflation-related bilateral pneumothorax.

Naoya Yasokawa1, Hitomi Tanaka1, Koji Kurose1

  • 1Department of Respiratory Medicine, Kawasaki Medical School, Japan.

Respiratory Medicine Case Reports
|February 20, 2020
PubMed
Summary

Mechanical insufflation-exsufflation (MI-E) devices aid patients with respiratory weakness. A rare risk of MI-E is pneumothorax, necessitating careful consideration by physicians.

Keywords:
Mechanical insufflation-exsufflationPneumothorax

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Area of Science:

  • Pulmonology
  • Respiratory Medicine

Background:

  • Mechanical insufflation-exsufflation (MI-E) is utilized to enhance cough effectiveness and airway mucus clearance in patients with respiratory muscle weakness.
  • MI-E devices aim to increase cough peak flow, aiding patients who cannot effectively expectorate phlegm.

Observation:

  • An 89-year-old male with lung abscess and nontuberculous mycobacterial disease experienced respiratory distress due to frailty and inability to clear phlegm.
  • MI-E was initiated to assist with phlegm expectoration.

Findings:

  • Chest X-ray revealed bilateral pneumothorax on day 3 of MI-E use, leading to device discontinuation.
  • The pneumothorax resolved conservatively by day 12.

Implications:

  • While scientific evidence for MI-E is limited, it remains a crucial tool for managing respiratory weakness.
  • Physicians must weigh the benefits of MI-E against the potential, albeit low, risk of pneumothorax.