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Related Concept Videos

Pleural Effusion II: Symptoms and Management01:28

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Pleural Effusion Overview
A pleural effusion is the abnormal collection of fluid between the parietal and visceral pleura layers of tissue that form the lining of the lungs and chest cavity. It can occur independently or due to surrounding parenchymal diseases, such as infection, malignancy, or inflammatory conditions.
Clinical Manifestations:
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Pleural Effusion I: Introduction01:25

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Pleural effusion is an abnormal fluid accumulation in the pleural cavity, a narrow space between the lungs and the chest wall. It is not a disease per se but rather a symptom or indication of an underlying disease. In normal circumstances, this space contains a small amount of fluid (5 to 15 mL), a lubricant facilitating the non-frictional movement of the pleural surfaces.
There are two main types of pleural effusion: transudative and exudative. They are differentiated using Light's...
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Related Experiment Video

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Pericardial Decompression Syndrome: A Comprehensive Review of a Controversial Entity.

Karan Sarode1, Amar Patel1, Kedzie Arrington1

  • 1Department of Cardiovascular Medicine, Texas Tech University Health Sciences Center, El Paso, Texas.

The International Journal of Angiology : Official Publication of the International College of Angiology, Inc
|August 12, 2024
PubMed
Summary

Pericardial decompression syndrome, a controversial entity, causes patient deterioration after fluid removal from the pericardium. This review analyzes 72 cases, revealing varied ventricular dysfunction and presentation times.

Keywords:
cardiac tamponadecardiovascular diseaseischemiapericardial decompression syndromepericardiocentesispericardiostomyshock

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Area of Science:

  • Cardiology
  • Critical Care Medicine
  • Internal Medicine

Background:

  • Pericardial decompression syndrome (PDS) is a debated clinical entity characterized by patient deterioration post-pericardial fluid drainage.
  • Potential pathophysiological mechanisms include preload-afterload mismatch, coronary microvascular ischemia, and adrenergic stress.

Purpose of the Study:

  • To systematically review and characterize PDS by analyzing patient demographics, effusion etiology, drainage methods, fluid volume, decompensation timing, and clinical outcomes.
  • To elucidate the pathophysiology, clinical manifestations, and therapeutic strategies for PDS.

Main Methods:

  • A systematic literature review was conducted using MEDLINE/PubMed and Google Scholar databases.
  • Included were case reports, case series, and review articles published in English from 1983 to December 2022.
  • Echocardiographic and pulmonary arterial catheterization data were analyzed to assess ventricular dysfunction in 72 identified cases.

Main Results:

  • Phenotypic heterogeneity was observed, with right, left, or biventricular failure occurring in similar proportions.
  • Time to decompensation was consistent across immediate, subacute, and acute presentations.
  • Clinical presentations varied, including hypoxic respiratory failure and shock.

Conclusions:

  • PDS presents with diverse ventricular dysfunction and consistent decompensation timing, regardless of onset.
  • Understanding PDS pathophysiology and outcomes is crucial for managing this high-mortality condition.
  • Further research into therapeutic options is warranted.