Doctor insights on:
What Is Surfactant In The Lungs
Deoxygenated blood enters the lungs from the right side of the heart and travels to the lungs. When you inspire, oxygen flows into the lungs, transverses the capilliares and attaches to hemoglobin down a gradient. At the same time, co2 diffuses into the capilaries and is expelled with exhalation. Oxygen rich blood then flows to the left side of the heart and into the ...Read more
Keep air sacs open: Surfactants, which are made by the body and are also available as a medication for babies who are deficient in them (usually premie), coat the inside of the tiny air sacs in the lung and keep them open when you exhale. Just like a collapsed balloon is hard to inflate, a collapsed air sac is hard to open. When it doesn't close completely, it's easier to open with the next breath. ...Read more
Surfactant: The name is a blend created from the words surface active agent. ...Read more
From infection: Caseous necrosis is form of cell death when tissue maintains cheese-like appearance. The dead tissue appears as a soft and white proteinaceous dead cell mass.Frequently encountered in tuberculous infections. Can be caused by syphilis and certain fungi, histoplasmosis, cryptococcosis, and coccidioidomycosis. ...Read more
WISP and Lung Cancer: Our results (expression of cyr61, ctgf, and wisp-1 correlates with clinical features of lung cancer) suggest that cyr61, ctgf, and wisp-1 might be implicated in the development and progression of primary lung cancers, and their levels might serve as valuable prognostic markers, as well as potential targets for therapeutic intervention. ...Read more
Oygenation: The short answer is that the lungs oxygenate the venous blood. ...Read more
Emphysema: A bulla is an air space in the lung measuring more than one centimeter in diameter in the distended state. Giant bullae develop as a result of cigarette smoking. Patients with HIV and IV drug users can also have bullous lung disease. Patients may have shortness of breath with exertion or at rest. Surgical removal is called bullectomy. ...Read moreSee 1 more doctor answer
Exhalation: blows out a volume of air. The lung tissue will become more compressed but does not collapse at all. When you do a chest xray, you're asked to inhale deeply. The reason being there is more capacity for the xray machine to image more of your lung tissue. One exhalation can be from 2 to 3 Liters, depending on your body habitus. ...Read more
Drainage of lymph: Lymph is a natural fluid made by the immune system (lymphatic system) to keep the body healthy. Any foreign material or waste product that persists in the blood (after liver) gets to the lymph system, where it is processed & "surveyed" to make sure there's nothing harmful. If there is, it goes to the immune cells to clean up. Lungs need it just like every other organ. ...Read more
Variceal bleed: If you are talking about dark brown, coffee-ground like material in the mouth, it's probably coming from bleeding in the esophagus or the stomach due to varices, which is enlarged veins. End-stage liver disease as in cirrhosis is often associated with esophageal or gastric varices. ...Read more
What are the chances of survival in fat embolism. If it has occurred in brain and blood is entering lungs.
Why's blood in lungs: Forget about the fat embolism here for a moment. This person has a bigger problem which is "blood ENTERING the lungs." What's that all about? Not from the fat embolism. So if we're talking major trauma and the lungs have blood in them....then, all hands on deck to stop that disaster first. The fat embolism will have to wait. ...Read more
Bacteria: Emboli are stuff (most commonly clots) that move from somewhere to somewhere else down a blood vessel, in this case from clots in veins of the body, down to the heart, and through its right side to the lungs, where they can block blood flow to these organs. Septic emboli are stuff that also has bacteria inside, and therefore can cause further infection in the lungs, and even greater damage. ...Read more
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