what is effusion mean
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Effusion Effusion is the process in which a gas escapes through a hole of diameter considerably smaller than the mean free path of the molecules. Under these conditions, essentially all molecules which arrive at the hole continue and pass through the hole, since collisions between molecules in the region of the hole are negligible.
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- A pericardial effusion is an abnormal amount of fluid between the heart and the pericardium, which is the sac surrounding the heart. Pericardial effusions are associated with many different medical conditions.hen a pericardial effusion is caused by pericarditis, the main symptom is chest pain. The chest pain may be made worse by deep breathing and lessened by leaning forward. When pericarditis is causing a pericardial effusion, other symptoms may include: 1  Fever. 2  Fatigue. 3  Muscle aches. 4  Shortness of breath.
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- abdominal effusion. Refers to a condition in which fluid collects around the vital organs located inside the abdomen. This is normally the side effect of a more serious condition, like liver disease or heart disease. Certain bacterial infections can also cause the build-up of such fluid, as can certain types of cancer.
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Overview By Mayo Clinic Staff. Print. Pericardial effusion (per-e-KAHR-dee-ul uh-FU-zhun) is the accumulation of too much fluid in the double-layered, sac-like structure around the heart (pericardium). The space between the layers normally contains a thin layer of fluid. But if the pericardium is diseased or injured, the resulting inflammation can lead to excess fluid. Fluid can also build up around the heart without inflammation, such as from bleeding after a chest trauma. Pericardial effusion puts pressure on the heart, affecting the heart's function.
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Pleural Effusion (Fluid In the Chest or On the Lung) What is pleural effusion? A pleural effusion is a buildup of fluid in the pleural space, an area between the layers of tissue that line the lungs and the chest cavity. It may also be referred to as effusion or pulmonary effusion. The type of fluid that forms a pleural effusion may be categorized as either transudate or exudate.
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- Pleural effusion, also called “water on the lung,” is an excessive buildup of fluid between your lungs and chest cavity. There’s always a small amount of liquid inside your lungs. This fluid works to coat the membranes (pleura) that line the outside of your lungs and lubricate the chest cavity to aid in breathing. Certain medical conditions can cause this fluid to build up between the chest cavity and your lungs.
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Overview Pericardial effusion (per-e-KAHR-dee-ul uh-FU-zhun) is the accumulation of too much fluid in the double-layered, sac-like structure around the heart (pericardium). The space between the layers normally contains a thin layer of fluid. But if the pericardium is diseased or injured, the resulting inflammation can lead to excess fluid.
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Pericardial Effusion Pericardial effusion, sometimes referred to as fluid around the heart, is the abnormal build-up of excess fluid that develops between the pericardium, the lining of the heart, and the heart itself.
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- A pleural effusion is an abnormal collection of fluid in the pleural space resulting from excess fluid production or decreased absorption or both. It is the most common manifestation of pleural disease, with etiologies ranging from cardiopulmonary disorders to symptomatic inflammatory or malignant diseases requiring urgent evaluation and trea...
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Pericardial Effusion Pericardial effusion is the presence of an abnormal amount of fluid and/or an abnormal character to fluid in the pericardial space. It can be caused by a variety of local and systemic disorders, or it may be idiopathic.See the image below.ericardial effusion is the presence of an abnormal amount of and/or an abnormal character to fluid in the pericardial space. It can be caused by a variety of local and systemic disorders, or it may be idiopathic. (See Etiology.).
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Pleural effusion Pleural effusion is an abnormal buildup of fluid in the pleural cavity. The pleural cavity is the space between the lungs and the chest wall. The fluid builds up between the 2 layers of the pleura, which is a thin layer of tissue that covers the lungs and lines the chest wall.
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Definitions &Translations Wiktionary(0.00 / 0 votes)Rate this definition: 1  extrude(Verb) To push or thrust out. 2  extrude(Verb) To form or shape (a metal, plastic etc.) by forcing it through a die or an opening.
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pleural effusion pleural effusion, an abnormal accumulation of fluid in the intrapleural spaces of the lungs. It is characterized by chest pain, dyspnea, adventitious lung sounds, and nonproductive cough. The fluid is an exudate or a transudate from inflamed pleural surfaces and may be aspirated or surgically drained.leural effusion. the presence of fluid in the pleural space, between the membrane encasing the lung and that lining the thoracic cavity; types include chylothorax, hemothorax, hydrothorax, and pyothorax (empyema).
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Effusion The image in the left shows effusion, where the image on the right shows diffusion. Effusion occurs through an orifice smaller than the mean path of the particles in motion where diffusion occurs through an opening in which multiple particles can flow through simultaneously.
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What is an Ankle Effusion? Effusion can occur inside the ankle joint as a result of trauma, inflammation, or infection. Sports are a common cause of trauma to the ankle which results in effusion, although swelling inside the joint can also occur as the result of a fall which twisted the ankle or a sharp blow to the ankle.rauma to the ankle may result in effusion. Anti-inflammatory drugs may be prescribed to help treat an ankle effusion. Ice might be recommended to treat the swelling of an ankle effusion. A proper diagnosis by a medical doctor is often needed to treat ankle pain, such as that from ankle effusion.
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- A pericardial effusion is an abnormal amount of fluid between the heart and the pericardium, which is the sac surrounding the heart.
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Joint effusion A schematic drawing showing the sail sign which represents an effusion. The approach to diagnosis depends on the joint involved. While aspiration of the joint is considered the gold standard of treatment, this can be difficult for joints such as the hip. Ultrasound may be used both to verify the existence of an effusion and to guide aspiration.
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Pericardial Effusion Practice Essentials. Pericardial effusion is the presence of an abnormal amount of fluid and/or an abnormal character to fluid in the pericardial space. It can be caused by a variety of local and systemic disorders, or it may be idiopathic. See the image below.
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Pleural Effusion 1 A pleural effusion is due to the manifestations of another illness. 2  In general, pleural effusions can be divided into transudates (caused by fluid leaking from blood vessels) and exudates (where fluid leaks from inflammation of the pleura and lung).
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- Pericardial Effusion: Pericardial effusion is an abnormal accumulation of fluid or blood within the pericardial sac. Because the sac is fibrous and does not stretch, accumulation of fluid within the sac will cause increased intrapericardial pressure and decreased cardiac filling.he most common causes of pericardial effusion are neoplasia (cancer) and idiopathic. Pericardial effusion can also result from infectious, metabolic, toxic, cardiovascular, and traumatic causes. The most common cause of neoplastic pericardial effusion is due to cardiac hemangiosarcoma.
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Pleural Effusion A pleural effusion is a collection of fluid in the space between the two linings (pleura) of the lung. When we breathe, it is like a bellows. We inhale air into our lungs and the ribs move out and the diaphragm moves down. For the lung to expand, its lining has to slide along with the chest wall movement.
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Definitions &Translations Pericardial effusion. Pericardial effusion is an abnormal accumulation of fluid in the pericardial cavity. Because of the limited amount of space in the pericardial cavity, fluid accumulation leads to an increased intrapericardial pressure which can negatively affect heart function.A pericardial effusion with enough pressure to adversely affect heart function is called cardiac tamponade.ecause of the limited amount of space in the pericardial cavity, fluid accumulation leads to an increased intrapericardial pressure which can negatively affect heart function. A pericardial effusion with enough pressure to adversely affect heart function is called cardiac tamponade.
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extrusion extrusion. n. 1. the act or process of extruding.2. (Geological Science). a. the movement of magma onto the surface of the earth through volcano craters and cracks in the earth's crust, forming igneous rock.x·tru·sion. n. 1. The act or process of pushing or thrusting out. 2. The act or process of shaping by forcing through a die.
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- Effusion is the process in which a gas escapes through a small hole. This occurs if the diameter of the hole is considerably smaller than the mean free path of the molecules. According to Graham's law, the rate at which gases effuse (i.e., how many molecules pass through the hole per second) is dependent on their molecular weight.
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SUFFUSE • SUFFUSE (verb) The verb SUFFUSE has 2 senses: 1. cause to spread or flush or flood through, over, or across. 2. to become overspread as with a fluid, a colour, a gleam of light. Familiarity information: SUFFUSE used as a verb is rare.