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Related Concept Videos

Pleural Effusion II: Symptoms and Management01:28

Pleural Effusion II: Symptoms and Management

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:
Pleural Effusion I: Introduction01:25

Pleural Effusion I: Introduction

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 criteria,...
Physical Assessment of the Respiratory Tract II: Palpation01:24

Physical Assessment of the Respiratory Tract II: Palpation

Physical assessment of the respiratory tract is critical in identifying potential health issues. One key component of this assessment is palpation, a technique healthcare providers use to assess the body for abnormalities. This content explores the method of palpation in evaluating the respiratory tract, focusing on thoracic palpation and tactile fremitus.
Thoracic Palpation
Thoracic palpation detects tenderness, masses, lesions, respiratory excursions, and vocal fremitus. The nurse assesses...
Respiratory System Abnormal Finding II: Palpation and Auscultation01:31

Respiratory System Abnormal Finding II: Palpation and Auscultation

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.
Palpation Findings
During a respiratory assessment, palpation can reveal several vital abnormalities:
Endoscopic Studies II: Thoracocentesis01:26

Endoscopic Studies II: Thoracocentesis

Thoracentesis(Thoracocentesis), commonly known as pleural tap, is a medical procedure where a 22 gauge needle is inserted into the pleural space, the area between the lung and chest wall. This procedure is commonly performed to diagnose or treat various respiratory disorders.
Description
Excess pleural fluid or air may accumulate in some respiratory disorders in the thoracic cavity. To treat pleural effusion, a physician conducts thoracentesis by carefully piercing the chest wall and entering...
Assessment of Respiration01:23

Assessment of Respiration

The respiratory system's basic structures and primary functions lay the foundation for nurses' comprehensive respiratory assessments. This assessment includes subjective and objective data to gauge the patient's respiratory health.
Subjective Assessment: Nurses interview the patient to gather information directly during the subjective assessment. It includes questions about the individual's medical history, medications, and symptoms, focusing on past respiratory conditions like asthma or COPD,...

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Monitoring Lung Function with Electrical Impedance Tomography in the Intensive Care Unit
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The detection of pleural effusion using a parametric EIT technique.

M Arad1, S Zlochiver, T Davidson

  • 1Department of Geriatric Medicine and Rehabilitation, Sheba Medical Center, Tel-Hashomer, and Sackler Faculty of Medicine, Tel Aviv University, Israel. aradm@post.tau.ac.il

Physiological Measurement
|April 1, 2009
PubMed
Summary
This summary is machine-generated.

Bioimpedance measurements offer a safe, non-invasive method for monitoring lung fluid in patients with pleural effusion (PE). This technique accurately assesses fluid volume, supporting its clinical applicability for lung condition management.

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Area of Science:

  • Medical Devices
  • Physiological Measurement
  • Thoracic Medicine

Background:

  • Pleural effusion (PE) management requires accurate monitoring of lung fluid levels.
  • Current monitoring methods may be invasive or costly.
  • Bioimpedance analysis presents a promising non-invasive alternative.

Purpose of the Study:

  • To evaluate the feasibility of using bioimpedance measurements for monitoring pleural effusion.
  • To assess the efficacy of a specific bioimpedance system in quantifying lung fluid.
  • To investigate the correlation between bioimpedance readings and pleural fluid volume.

Main Methods:

  • Utilized an eight-electrode thoracic belt system with sequential current injections (3 mA, 20 kHz).
  • Employed a parametric reconstruction algorithm to determine left and right lung resistivity.
  • Conducted measurements before and after pleural fluid removal in resting patients during tidal respiration.

Main Results:

  • A significant mean resistivity difference of -48 Omega cm was observed between the affected and unaffected lungs.
  • A high correlation (R=0.53) was found between pre-removal lung resistivity and pleural fluid volume.
  • Sensitivity for fluid volume estimation was -0.17 Omega cm ml(-1).

Conclusions:

  • Bioimpedance technique, particularly parametric lung resistivity reconstruction, is feasible for monitoring lung patients.
  • The method shows potential for non-invasive, low-cost assessment of pleural effusion.
  • Further supports the clinical applicability of bioimpedance for thoracic fluid management.