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Inogen Oxygen Education Blog

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What is Forced Vital Capacity (FVC)?

Forced vital capacity, or FVC, is one of the measurements taken during a spirometry test, a type of pulmonary (lung) function test that helps doctors determine the presence and severity of lung disease. FVC reflects the amount of air you can forcibly exhale, after taking the deepest breath possible. Once your FVC is determined, your […]

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Which Foods are Best for a CF Diet?

Cystic fibrosis (CF) is a life-threatening disease that causes a build-up of thick, sticky mucus to form in your lungs and digestive tract. People with cystic fibrosis require up to 2 times the amount of calories as others of similar weight and size. What foods are best for a CF diet? Let’s forge ahead and […]

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Is Hypopnea Dangerous?

Hypopnea can be defined as abnormally slow or shallow breathing. It is distinct from apnea, in which there is a total cessation of breathing. While apnea occurs when airflow from your lungs is completely blocked by an obstruction from your throat, hypopnea occurs when the airway is only partially blocked and airflow from your lungs […]

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What Does a CT Scan Look At?

A computed tomography (CT) scan uses a combination of X-ray images taken from different angles and computer processing to create cross-sectional images, or slices, of the bone, blood vessels and soft tissues within your body. Compared to a standard X-ray, CT scan images show much more detail.[1] When is a CT Scan Necessary? There are […]

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What are the Different Types of Pulmonary Function Tests?

Pulmonary function tests – sometimes referred to as PFTs, lung function or breathing tests – are a battery of tests that evaluate how well your lungs work. Together with patient history and other diagnostic tests, they help doctors assess respiratory symptoms, such as shortness of breath and cough, identify risks before surgery and diagnose common […]

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Why do I Need a Spirometry Test?

If your doctor has recommended you have a spirometry test, you’re probably wondering why you need one and what kind of test it is. A spirometry test is among a group of breathing tests known as pulmonary function tests. This group of lung tests tell doctors how well your lungs are working. Spirometry measures how […]

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