Health examinations
肺功能檢查 Pulmonary Function Tests
Pulmonary Function Tests (PFTs): Assessing Lung Health

*What Are PFTs?
Pulmonary Function Tests are a series of diagnostic tests used to evaluate lung health and function. They are instrumental in diagnosing respiratory diseases such as asthma, Chronic Obstructive Pulmonary Disease (COPD), and pulmonary fibrosis.

*Key Test Components
-Forced Vital Capacity (FVC):
Measures the total volume of air exhaled forcefully after a deep breath, providing insights into lung capacity.
-Forced Expiratory Volume in 1 Second (FEV1):
Determines the amount of air exhaled in the first second of a forced breath, assessing airway patency.
-FEV1/FVC Ratio:
A critical metric for diagnosing airway obstruction, including COPD or asthma.
-Diffusing Capacity for Carbon Monoxide (DLCO):
Evaluates the lung's ability to transfer oxygen from alveoli to the bloodstream.

*Purposes of PFTs
-Disease Diagnosis:
Identifies airway obstructions and underlying lung conditions.
-Disease Monitoring:
Tracks the progression of respiratory diseases like COPD or asthma.
-Pre-Surgical Assessment:
Evaluates lung function before certain surgical procedures.

*How to Maintain Lung Health?
-Quit Smoking:
Smoking is a leading cause of lung diseases. Quitting significantly improves lung function and overall health.
-Engage in Regular Exercise:
Aerobic activities like walking or jogging help enhance lung capacity and breathing efficiency.
-Ensure Clean Indoor Air:
Minimize exposure to air pollutants and harmful gases.
-Prevent Infections:
Vaccinate against respiratory infections (e.g., flu, pneumonia) to reduce health risks.
-Routine Health Checks:
Individuals with a family history of respiratory diseases or a smoking history should undergo regular PFTs.

*Conclusion
Pulmonary Function Tests are vital for evaluating respiratory health. Early detection and management of lung conditions are achievable with these tests. Adopting a healthy lifestyle, quitting smoking, and undergoing routine assessments can protect and enhance lung function over time.