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Related Concept Videos

Other Pulmonary Disorders01:17

Other Pulmonary Disorders

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Respiratory disorders encompass a range of conditions with varying levels of severity. Asthma, marked by chronic airway inflammation and hypersensitivity, is one such condition. It can lead to airway obstruction due to factors like bronchial spasms, mucosal edema, increased mucus secretion, or epithelial damage. Asthma triggers are diverse, ranging from allergens to emotional upset, and treatment focuses on both immediate relief through bronchodilators and long-term inflammation suppression.
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Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease...
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Pneumonia I: Introduction01:29

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Pneumonia is an infection of the lower respiratory tract that leads to inflammation of the lung parenchyma, often resulting in the accumulation of inflammatory exudate in the alveoli and airways. Unlike the watery, low-protein fluid exudate in pulmonary edema, the exudate in this case is a thick fluid rich in immune cells, proteins, and debris produced during infection and inflammation.This impairs gas exchange and can lead to consolidation of lung tissue. The infection may be caused by a...
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Use of Electromagnetic Navigational Transthoracic Needle Aspiration E-TTNA for Sampling of Lung Nodules
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Foreign body in lung: a case report.

Mohamed A Tolba1, Youssef Z Farhat1, Anwar Mohamad2

  • 1Faculty of Medicine, Misr University for Science and Technology, Cairo, Egypt.

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|March 11, 2024
PubMed
Summary
This summary is machine-generated.

A metal foreign body (FB) migrating to the pulmonary artery can cause a pulmonary embolism. This case highlights the diagnostic challenges and the importance of advanced imaging like CT scans in managing such rare vascular events.

Keywords:
cardio-thoracic surgerycase reportembolismmetal foreign bodypulmonary embolism

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Area of Science:

  • Medical Imaging
  • Cardiovascular Surgery
  • Emergency Medicine

Background:

  • Metal foreign bodies (FBs) in the lungs can lead to pulmonary embolism, a rare and diagnostically challenging condition.
  • Early identification and management of intravascular FBs are crucial to prevent life-threatening complications.

Observation:

  • A 34-year-old male presented with a thigh injury from a metal FB that subsequently migrated into the vascular system.
  • Initial imaging revealed the FB in the heart with a "starburst appearance," but it was not found during cardiac catheterization.
  • Subsequent CT scans accurately located the FB in the right lower pulmonary artery.

Findings:

  • Computed tomography (CT) scans were instrumental in diagnosing the intravascular migration of the metal FB.
  • The FB's journey from the thigh to the pulmonary artery occurred within hours.
  • Despite its perilous location, the decision was made for conservative management with follow-up.

Implications:

  • This case underscores the utility of CT imaging in detecting and localizing intravascular foreign bodies.
  • Prompt diagnosis and appropriate management strategies are vital for patient outcomes in cases of FB-induced pulmonary embolism.
  • The "starburst appearance" on CT can be a key indicator of FB migration within the vasculature.