Is COPD diagnosis accurate?
Actually, COPD is commonly misdiagnosed. COPD represents chronic obstructive pulmonary disease. Some former smokers may sometimes be told they have COPD. On the other hand, many people who have COPD may not be diagnosed until the disease is advanced and interventions are less effective.
How can COPD be diagnosed?
Your doctor may order several tests to diagnose your condition. Tests may include lung function tests, measuring the amount of air your can inhale and exhale, and if your lungs are delivering enough oxygen to your blood.
Among all the tests, spirometry is the most common lung function test. You will be asked to blow into a large tube connected to a small machine called a spirometer. It measures how much air your lungs can hold and how fast you can blow the air out of your lungs. Spirometry is useful because it can detect COPD even before you have symptoms.
Chest X-ray can show emphysema, which is one of the main causes of COPD. An X-ray can also rule out other lung problems or heart failure.
Ct scan can help detect emphysema and help determine if you might benefit from surgery for COPD. It is also used to screen for lung cancer.
Arterial blood gas analysis, which is kind of blood test, measures how well your lungs are bringing oxygen into your blood and removing carbon dioxide.
Laboratory tests aren’t used to diagnose COPD, they may be used to determine the cause of your symptoms or at least rule out other conditions. It can detect if you have genetic disorder.
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