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Pulmonary Function Tests (Getting Started (Step 1: Determine If the…
Pulmonary Function Tests
spirometry(肺活量測量法)
肺總容量（totallung capacity,TLC）
IRV=吸氣儲備容積 ( inspiratory reserve volume)
RV=肺餘容積 (residual volume)
TV=潮氣容積 (tidal volume)
ERV=吐氣儲備容積 (expiratory reserve volume)
Getting Started
Step 1: Determine If the FEV1/FVC Ratio Is Low
FEV1
forced expiratory volume in one second
FVC
forced vital capacity
Step 2: Determine If the FVC Is Low
Step 3: Confirm the Restrictive Pattern
Step 4: Grade the Severity of the Abnormality
Step 5: Determine Reversibility of the Obstructive Defect
asthma
reversible
Step 6: Bronchoprovocation
支氣管激發試驗
METHACHOLINE CHALLENGE
MANNITOL INHALATION CHALLENGE
EXERCISE TESTING
EUCAPNIC VOLUNTARY HYPERPNEA TESTING
Step 8: Compare Current and Prior PFT Results
DLCO
diffusing capacity of the lung for carbon monoxide (CO)