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Related Concept Videos

Pulmonary Function Tests01:25

Pulmonary Function Tests

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...
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,...
Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies01:27

Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies

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
Physical Assessment of the Respiratory Tract II: Inspection01:27

Physical Assessment of the Respiratory Tract II: Inspection

Physical assessment of the respiratory tract through inspection is a crucial step in understanding the patient's respiratory health. It provides insights into the functioning of the respiratory system, the musculoskeletal structure, and even the patient's nutritional status. This comprehensive approach involves observing several vital aspects: chest configuration, breathing patterns, respiratory rates, skin color, and use of accessory muscles.
Chest Configuration
The chest configuration can...
Respiratory Assessment: Purpose and Indications01:19

Respiratory Assessment: Purpose and Indications

Respiratory assessment is a cornerstone of nursing assessments, crucial for the early detection of patient deterioration. This evaluation transcends routine procedures, representing a critical skill nurses must master to ensure optimal patient care.
Objectives and Importance:
The primary goal of respiratory assessment is to evaluate patients at early risk of clinical deterioration. Since respiratory distress often precedes other signs of declining health, breathing patterns and sounds become a...
Chronic Obstructive Pulmonary Disease-I: Introduction01:20

Chronic Obstructive Pulmonary Disease-I: Introduction

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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Related Experiment Video

Updated: May 22, 2026

Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease
07:10

Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease

Published on: August 24, 2019

Incentive spirometry as a means to score breathlessness.

Li-Cher Loh1, Pek-Ngor Teh, Sree Raman

  • 1IMU Lung Research, International Medical University Clinical School, Seremban;

The Malaysian Journal of Medical Sciences : MJMS
|May 19, 2012
PubMed
Summary

A new method using an incentive spirometer effectively scores perceived dyspnea in asthma patients. This simple test differentiates asthma severity and correlates with other measures, aiding in disability assessment.

Keywords:
Perception of dyspnoeaasthmaincentive spirometernormal subjectsix-minute walking test

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Area of Science:

  • Pulmonary Medicine
  • Respiratory Physiology
  • Clinical Assessment

Background:

  • Perceived breathlessness significantly impacts asthma management.
  • Objective and subjective measures are crucial for assessing asthma severity and disability.

Purpose of the Study:

  • To develop and validate a simple, user-friendly method for scoring perceived dyspnea (POD) in asthma.
  • To evaluate the test's ability to discriminate between asthma severity levels and normal subjects.

Main Methods:

  • Developed a POD scoring method using an incentive spirometer (Triflo II) with repetitive inspiratory efforts.
  • Tested 175 healthy subjects and 158 asthmatic patients across mild, moderate, and severe GINA-defined categories.
  • Assessed reproducibility, bronchodilator responsiveness, and correlation with the 6-minute walking test (6MWT).

Main Results:

  • The POD index showed significant differences across asthma severity groups (p<0.001).
  • High intraclass correlation coefficients indicated good reproducibility.
  • POD index changes correlated with bronchodilator response (%FEV1 change) and 6MWT performance.

Conclusions:

  • The developed POD scoring method is a discriminative, reproducible, and responsive tool for assessing asthma.
  • It shows potential for effectively and simply scoring disability and perceived dyspnea in asthma patients.
  • This method offers a valuable addition to asthma assessment, complementing existing measures like the 6MWT.