483 results found
Health topics
… Forced expiratory volume and forced vital capacity are lung function tests that are measured during spirometry . … expiratory volume is the most important measurement of lung function. It is used to: Diagnose obstructive lung diseases such as asthma and chronic obstructive …
Health topics
… Basics Bronchiectasis (say "brawn-kee-ECK-tuh-sus") is a lung problem in which the breathing tubes (airways) in the lungs are stretched and become larger. It starts when your … by another health problem—usually cystic fibrosis —or a lung infection such as pneumonia or tuberculosis . Other …
Health topics
… spirometer is a hand-held device that exercises your lungs and measures how much air you can breathe in. It tells you and your doctor how well your lungs are working. The spirometer can help you practice … airways and prevent fluid or mucus from building up in your lungs, and make it easier for you to breathe. Using the …
Health topics
… when a person is underwater and breathes water into the lungs. The airway (larynx) can spasm and close, or water can damage the lungs and keep them from taking in oxygen. In either case, the lungs can't supply oxygen to the body. This can be deadly. …
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… hypertension is high blood pressure in the arteries of your lungs. This may also be called pulmonary arterial … (PAH). These arteries carry blood from the heart to the lungs, where the blood picks up oxygen. The walls of the … your heart has to work harder to pump blood through your lungs. Pulmonary hypertension may cause heart failure . …
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… blood and oxygen. That's why it is most often found in the lungs. This is called pulmonary TB. But TB can also spread … the TB bacteria are growing and causing symptoms. If your lungs are infected with active TB, it is easy to spread the … to others. How is TB spread to others? Pulmonary TB (in the lungs) is contagious. It spreads when a person who has …
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… oxygen-poor blood from your veins and pumps it to your lungs, where it picks up oxygen and gets rid of carbon … side of your heart receives oxygen-rich blood from your lungs and pumps it through your arteries to the rest of your … and the left side. Blood is pumped through your heart and lungs in four steps: The right atrium receives oxygen-poor …
Health topics
… What is pneumonia? Pneumonia is a lung infection that can make you very sick. You may cough, … usually starts when you breathe the germs into your lungs. You may be more likely to get it after having a cold … After you breathe infected air particles into your lungs. After you breathe certain bacteria from your nose and …
Health topics
… in the years after your surgery. Putting you on the heart-lung bypass machine After your coronary arteries have been … been harvested, your surgical team may place you on a heart-lung bypass machine. Alternately, your surgical team may do … while your heart is beating. If you are placed on the heart-lung bypass machine, your heart will be temporarily stopped …
Health topics
… the right side of the heart is not pumping blood to the lungs as well as normal. Most people develop heart failure … if there is high blood pressure in the arteries of the lungs. This pressure makes the heart work harder to pump blood through the lungs. Over time, the right ventricle may weaken and not …