Description:
Respiratory function test used to diagnose respiratory problems and / or assess a patient’s response to treatment.
Information:
The lungs can get oxygen from the air by inhalation, and release the carbon dioxide produced by cells with expiration. When there is a lung disease, the ability to carry out this process is reduced, making the transfer of oxygen to the blood is lower.
Spirometry is one of the most widely used diagnostic methods to measure the lung capacity as well as:
*Determine the cause that causes difficulty breathing.
*Diagnose certain lung diseases: asthma, chronic bronchitis, emphysema.
*Diagnose occupational poisoning: prolonged exposure to certain toxic substances may ultimately affect lung function.
*Assessing whether a treatment is being positive or not.
How is the test?
The instrument used is called a spirometer. It is connected to a mouthpiece through which the patient breathe. The spirometer records the amount and flow of air inhaled and exhaled during a certain period of time. The information collected can be printed on a graph called spirogram.
The test does not require fasting or to subject the patient to any specific preparation. If you are under treatment, the doctor will tell you whether you should stop or not.
Patient sits in front of the spirometer and clogs the nostrils with pliers. Place the mouthpiece in your mouth and be kept fully closed around it to prevent air leakage.
Your doctor will tell you the type of breathing you need, normal, quiet, or forced. In the latter, the patient inhales deeply and exhale all the air at one time until they can be more.
The number of readings will vary according to medical criteria and whether the results that are obtained are valid (click on image to interpret the results.)
Are there risks?
There is no risk to the patient. All I can feel is a certain fatigue when performing forced breaths. For patients who have suffered a recent heart attack this test is not recommended because they may feel some degree of breathing difficulty.
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