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Related Concept Videos

Pulmonary Function Tests01:25

Pulmonary Function Tests

423
Pulmonary Function Tests (PFTs)
Pulmonary Function Tests are crucial diagnostic tools for assessing respiratory function, particularly in patients with chronic respiratory disorders. They comprehensively evaluate lung volumes, ventilatory function, breathing mechanics, diffusion, and gas exchange. These tests help diagnose pulmonary diseases and play a significant role in monitoring disease progression, evaluating disability, and assessing response to therapy.
PFTs involve using a spirometer, a...
423
Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies01:27

Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies

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Assessing and diagnosing Chronic Obstructive Pulmonary Disease (COPD) involves a detailed approach that includes a comprehensive review of medical history, physical examination, and a variety of diagnostic tests. This thorough evaluation is essential to ensure an accurate diagnosis and guide effective management strategies.
Medical History
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Chronic Obstructive Pulmonary Disease-I: Introduction01:20

Chronic Obstructive Pulmonary Disease-I: Introduction

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Chronic Obstructive Pulmonary Disease (COPD) is a long-lasting respiratory condition requiring continuous attention and care. It is a progressive lung disease that leads to breathing challenges due to airflow obstruction. It manifests as persistent respiratory symptoms and restricted airflow resulting from abnormalities in the airways and alveoli, usually due to long-term exposure to harmful particles or gases. COPD mainly consists of two primary conditions: emphysema and chronic bronchitis.
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Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

36
Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
36
Chronic Obstructive Pulmonary Disease01:22

Chronic Obstructive Pulmonary Disease

1.4K
COPD is defined as a heterogeneous lung condition marked by persistent respiratory symptoms such as dyspnea, cough, and sputum production, caused by abnormalities in the airways that cause airflow obstruction.
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...
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COPD: Pathogenesis and Clinical Features01:20

COPD: Pathogenesis and Clinical Features

466
Chronic obstructive pulmonary disease (COPD) is a group of lung conditions that progressively worsen over time, including chronic bronchitis and emphysema. This cluster of diseases collectively leads to a gradual and irreversible decline in lung function over time.
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
466

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Updated: Aug 28, 2025

Lung CT Segmentation to Identify Consolidations and Ground Glass Areas for Quantitative Assesment of SARS-CoV Pneumonia
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Post-COVID Pulmonary Function Test Evaluation.

Emine Afsin1, Muhammed Emin Demirkol2

  • 1Department of Chest Diseases, Abant İzzet Baysal University Hospital, Bolu, Turkey.

Turkish Thoracic Journal
|September 14, 2022
PubMed
Summary
This summary is machine-generated.

Post-COVID-19 lung function tests reveal restrictive patterns in over 20% of patients, with significant dyspnea reported. Further advanced testing is recommended to assess long-term respiratory impairment.

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Area of Science:

  • Pulmonology
  • Infectious Diseases
  • Post-COVID Conditions

Background:

  • The lung is a primary target organ for COVID-19.
  • Long-term respiratory sequelae after COVID-19 infection require thorough evaluation.

Purpose of the Study:

  • To assess pulmonary function tests (PFTs), hypoxemia, and functional status 3-6 months post-COVID-19.
  • To compare pre- and post-COVID-19 PFT parameters.

Main Methods:

  • Evaluated 67 patients using PFTs, pulse oximetry, and the Post-COVID-19 Functional Status Scale.
  • Compared PFTs from 33 patients with available pre-COVID data.

Main Results:

  • Identified restrictive (20.9%) and obstructive (11.9%) patterns on PFTs.
  • Observed a significant loss in forced expiratory volume in 1 second (130 mL, P=.005).
  • Dyspnea was prevalent, particularly in patients without prior lung disease (65.4%, P=.002).

Conclusions:

  • Restrictive lung function disorders are a primary finding in the post-COVID period.
  • Advanced respiratory assessments, including lung volumes, DLCO, and high-resolution CT, are crucial for detailed evaluation.