VOLUMETRIX TEST SERIAL

Interpretation of spirometry should be clear, concise, and informative, but a simple description as normal or abnormal only is not helpful. The relative contraindications of spirometry are patients with experience of urinary incontinence, those with chest or abdominal pain, those who have pain inside the mouth or on the face when biting the mouth piece, and those with dementia or decreased consciousness. Other contraindications are patients with hyperventilation, diseases in which maximal ventilatory effort can be problematic (Moyamoya disease, repetitive spontaneous pneumothorax) or those with current respiratory infection, such as tuberculosis or their families were exposed to such infection, those with massive hemoptysis in the past 1 month, and those whose systolic blood pressure exceeds 200 mm Hg or diastolic blood pressure exceeds 140 mm Hg. The absolute contraindications of spirometry are patients with recent eye surgery, open heart surgery, laparotomy, stroke, cardiac arrest, myocardial infarction, pneumothorax, retinal detachment, and aortic aneurysm within 3 months. (6) Finally, spirometry is used for screening patients with pulmonary functional abnormalities among smokers. (5) Spirometry is also used for management of national health. (4) Spirometry is used for preoperative evaluation to predict respiratory complications of surgery.

VOLUMETRIX TEST SERIAL

(3) Spirometry is used to evaluate the prognostic prospects or the response to treatment of a specific disease by serial tests. If the impairment is fixed, it provides objective data for the disability grade and its compensation. (2) Spirometry is used to identify respiratory impairment caused by occupational factors at an early stage. Therefore, spirometry helps make a diagnosis by differentiating between obstructive lung diseases, such as asthma or chronic obstructive pulmonary disease (COPD), and restrictive lung disorders, such as interstitial pneumonia. (1) Spirometry is used as a complementary tool for diagnosis of a disease. Spirometry is indicated for the following 5. Subjects must be instructed to meet the criteria of acceptability and reproducibility. The test technicians must ensure that subjects can undertake the test smoothly. PFTs should have acceptability and reproducibility 4.

These tests can help to monitor the response of treatment or therapeutic intervention 3. However, PFTs show unique features of a disease, and thus are helpful for diagnosing a disease at an early stage or for assessing the clinical stage or prognosis of the disease. These tests cannot be used to diagnose a certain disease on their own. This report is written based on the guideline for pulmonary function test (PFT), recently released by The Korean Academy of Tuberculosis and Respiratory Diseases, which can be used on a clinical field 2. Spirometry is a physiological test for assessing the functional aspect of the lungs using an objective indicator by measuring the amount of air that a patient can inhale and exhale to the maximum 1. A positive response to a bronchodilator is generally defined as an increase of в‰Ґ12% and в‰Ґ200 mL as an absolute value compared with a baseline in either forced expiratory volume at 1 second or FVC. When an obstructive ventilatory defect is observed, this test helps to diagnose and evaluate asthma and chronic obstructive pulmonary disease by measuring reversibility with the use of an inhaled bronchodilator. The bronchodilator test is a method for measuring the changes in lung capacity after inhaling a short-acting ОІ-agonist that dilates the airway.

Our guideline adopts a fixed normal predictive value instead of the lower limit of normal as the reference value because fixed value is more convenient and also accepts FVC instead of vital capacity (VC) because measurement of VC using a spirometer is impossible.

Additionally, spirometry should guarantee optimal quality prior to the interpreting spirometry results. Interpretation of spirometry should be clear, concise, and informative. Until the results of three tests meet the criteria of reproducibility, the test should be repeated up to eight times. Acceptable spirometry testing needs to be conducted three times by an acceptable and reproducible method for determining forced vital capacity (FVC). Spirometry is a physiological test for assessing the functional aspect of the lungs using an objective indicator to measure the maximum amount of air that a patient can inhale and exhale.

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