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Pulmonary function tests (PFTs) are essential for evaluating lung capacity, airflow, and gas exchange efficiency. Patients with asthma and COPD, interstitial lung disease, and unclear breathing issues require PFTs to measure their lung function disorders. The method known as spirometry determines the breathing capacity and speed of exhalation to detect barriers in airflow during breathing. The evaluation of lung gas exchange efficiency relies on diffusion capacity tests, while body plethysmography determines lung volume measurements.
The testing procedure follows step-by-step instructions, and you must breathe into an instrument without causing bodily damage. Medical results contribute to diagnosing disease severity, helping decide appropriate treatments, and tracking treatment effectiveness. The accuracy of results heavily depends on both the prevention of bronchodilator use and the consumption of heavy meals before testing sessions. Medical tests called PFTs enable early diagnosis of lung diseases, leading to immediate interventions that improve patients' respiratory health.
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