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What is Spirometry?
pneumonic function mental test are done to valuate the function of the lungs(4 ) . Spirometry is a form of pulmonary social occasion test , which measures the amount of air an individual exhales or breathes out and at what speed(3 ) . Spirometry is a coarse and unproblematic test that can be done on an outpatient basis(1 , 3 ) . A spirometry test can be done for diagnosis ofasthma , cystic fibrosisandCOPD .
The Uses of a Spirometry Test
Spirometry exam is used by the doc to monitor the patient ’s progression when treating a chronic lung disease . A Spirometry test helps in determine the effect of the medications and how they are managing and controlling the lung disease .
A Spirometry test is done for diagnose various lung disease , such as :
Chronic Obstructive Pulmonary Disease ( COPD)(1):This is a class of lung conditions where there is nail down of the airline business that leads to difficulty in expelling the air from the lungs .
Asthma(1):Asthma is a chronic incitive condition where there is contract and gibbousness of the airway .
Cystic Fibrosis(1):This is a hereditary disease where the digestive organs along with the lungs become blocked or congested with sticky and dim mucous secretion .
pneumonic Fibrosis(1):Pulmonary Fibrosis is a medical condition consisting of accumulation of scar tissue paper in the lung ’ air sacs resulting in poor oxygenation of the blood(2 ) .
What is the Procedure of a Spirometry Test?
A spirometry psychometric test is quite common and is a simple diagnostic test where the patient needs to breathe into a electron tube that is attached to the spirometer , which will be read the results .
The affected role will be require whether they are taking any breathing medications , such as bronchodilators . Bronchodilators are the medicament that widen and relax the airway , thus take a leak breathing wanton for the patient . If the patient is taking these medicines , then the Doctor of the Church advises the patient role to stop these medicines before the spirometry trial run to measure the effectivity of these medicines .
Before doing the Spirometry exam , the affected role may also be advocate to weary loose clothing and avoid consuming a heavy meal before a Spirometry exam to help oneself with the respiration .
The Steps study During The Spirometry Test Are(1 ):
What Do The Results of the Spirometry Test Indicate?(1, 5)
The results of the spirometry test help in determining the treatment plan for the affected role . The Spirometry test help in assessing the flow of air over a period of time . The results of the Spirometry mental testing sacrifice two values , which are utilitarian for monitor and assessing patient role having an impaired lung single-valued function . These 2 time value from a Spirometry test are :
force Vital Capacity ( FVC ) , which is the entire quantity of air which can be expelled or give forth all .
Forced Expiratory Volume measured over 1 second ( FEV1 ) is the air flow happen in the first second of the Forced Vital Capacity . The FVC disunite the FEV1 to witness the amount of air in the patient role ’s lungs , which can be exhaled in a single secondment .
If the FVC reading is modest , then it indicates that the patient is put up from restricted external respiration . The FEV1 trial issue help in gauging stiffness of the affected role ’s external respiration problem . Decreased FEV1 readings suggest severe breathing obstructor .
All the results of these tests facilitate the Dr. in determining what steps to take in the patient ’s treatment . The normal time value of the spirometry test differ from patient to patient . The average solvent of Spirometry test is determined by different factors , such as patient ’s age , sexual activity , meridian and race .
Obstructive or Restrictive Lung Disease(4)
If the patient role is suffer from an hindering lung disease , then there is narrowing of the airway that affect the patient ’s power to exhale rapidly during the Spirometry mental testing ; however , the affected role is still able-bodied to hold a normal quantity of air in their lungs . patient suffering from COPD and asthma will experience this .
If the patient role is bear from restrictive lung disease , then the affected role ’s air intake will be come down because the lung will not be able-bodied to expand wholly when a somebody is suffering from restrictive lung disease .
The changes in FVC / FEV1 answer after the patient role is give a bronchodilator will determine if the disease of the patient can be turn or not . If there is an increase of about 12 % in the mental test ’s results , then this indicates the effectiveness of the bronchodilator in reversing the disease ; e.g. asthma attack . There are some symptoms in sure lung disease , such as COPD that can not be reversed .
If patient is find to have restrictive pattern of lung disease , then a complete range of pulmonary routine tests take to be done to confirm that the patient role is indeed suffering from restrictive lung disease and the type the patient is stick out from .
Other Tests to Assess the Lung Function
Other than the Spirometry test , there are dissimilar trial that can also be done to come at the correct diagnosing and these include : lung volume tests ; pulse oximetry run ; arterial parentage gas test ; fractional exhaled nitric oxide tests;CT scanandx - rayof the dresser .
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