In more severe cases of cerebral venous thrombosis, doctors may recommend surgery to remove the blood clot, or thrombi, and to fix the blood vessel. This procedure is referred to as thrombectomy. In some thrombectomy procedures, doctors may insert a balloon or similar device to prevent blood vessels from closing. While uncommon, cerebral venous thrombosis can become a life-threatening condition if left untreated.
When caught early, CVT can be treated noninvasively using medication. If you begin experiencing irregular headaches or corresponding symptoms, notify your doctor immediately. Have you ever wondered what it feels like to have a blood clot? We explain some of the classic signs with help from three medical experts. Blood clots often occur without symptoms. This can make it difficult to tell if you have one.
Learn more about the early warning signs. This vaguely defined condition has been of interest to…. Blood clotting is a normal function that occurs when you have an injury. Find out what happens if clot doesn't dissolve or forms in a blood vessel.
Damage to blood vessels can cause bruising and blood clots, but the two conditions have many differences. Learn more about them. Deep vein thrombosis DVT is a serious condition that occurs when a blood clot forms in a vein located deep inside your body. Learn how to spot…. Blood clots form for many reason and can lead to serious health problems. Find out what steps you can take to prevent dangerous blood clots from…. A large, new study suggests that people who have valvular atrial fibrillation AFib , or irregular heartbeat, had lower risk of ischemic stroke or….
Does pregnancy increase risk for DVT? We explain ways to reduce your risk for this rare complication. Anthropophobia is a fear of people. Typically, a fear of people is associated with…. Governmental » Transportation -- and more Community » Non-Profit Organizations. Miscellaneous » Unclassified. Computing » Telecom -- and more Medical » Therapy. Computing » File Extensions. Computing » Software.
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Word in Term. Term » Abbr. Filter by: Select category from list Couldn't find the full form or full meaning of CVT? Discuss these CVT abbreviations with the community: 0 Comments. The VTNE. Upon earning a passing score, a graduate can be certified to work as a vet tech. CVT is a theory about how individuals experience increases in physiological arousal when confronted with highly immediate nonverbal messages, and this theory recognizes the varying components influencing how individuals process nonverbal messages and then respond to nonverbal messages.
There are three processes in CVT, with specific key terms for each component of message processing. The first definition of importance in CVT is related to how behavior is defined: In CVT, behaviors must be perceived in order to result in any sort of physiological arousal. If an individual does not perceive the behaviors, in this case highly immediate nonverbal behaviors, individuals do not engage in processing or responding to the behavior. The key term relates to perceptions of physiological arousal.
Physiological arousal is classified as low, moderate, or high levels of arousal. When behaviors result in high physiological arousal, responses are unambiguously negative. When behaviors are low physiological arousal, responses are unambiguously positive. The capacitive voltage transformer step-down the high voltage input signals and provide the low voltage signals which can easily measure through the measuring instrument. The Capacitive voltage transformer CVT is also called capacitive potential transformer.
The capacitive potential divider, inductive element and the auxiliary transformer are the three main parts of the capacitive potential transformer. For measuring high voltage above kV the high insulated transformer is required. The highly insulated transformer is quite expensive as compared to the normal transformer.
For reducing the cost, the capacitive potential transformer is used in the system. The CVT is cheap, and their performance is not much inferior to the highly insulated transformer. A Voronoi tessellation is called centroidal when the generating point of each Voronoi cell is also its centroid, i. It can be viewed as an optimal partition corresponding to an optimal distribution of generators. In his works, Descartes used weighted Voronoi diagrams to explain how matter is distributed throughout the solar system.
A variety of processes of crystal growth proceeds via the gas phase. A short comparative overview on gas phase transports is given here. However, in the main we deal with the concept of Chemical Vapor Transport Reactions [1, 2]. But the pertinent phase can be volatilized in the presence of a gaseous reactant, the transport agent , and deposits elsewhere, usually in the form of crystals.
The deposition will take place if there are different external conditions for the chemical equilibrium at the position of crystallization than at the position of volatilization. Usually, different temperatures are applied for volatilization and crystallization, Figure 1. Chemical vapor transport reactions address the formation process of pure and crystalline solids. Especially, the growth of single-crystalline material is of particular value because, among other things, it allows the determination of the crystal structure by diffraction methods.
Beyond the aspect of basic research, chemical vapor transport reactions have also gained practical significance: they form the basis of the operating mode of halogen lamps.
Furthermore, an industrial process is based on a chemical transport reaction, the Mond-Langer-Process for the production of ultrapure nickel [3]. Chemical vapor transports likewise occur in nature forming minerals without human influence, in particular at places of high temperatures.
Bunsen was the first who observed and described it [4]. He noticed that the formation of crystalline Fe 2 O 3 is associated with the presence of volcanic gases which contain gaseous hydrogen chloride. Van Arkel and de Boer were the first scientists who carried out specific transport reactions in the laboratory from onwards [5]. They were motivated by the huge interest in finding a process to fabricate pure metals like titanium at that time [6].
Van Arkel and de Boer used the so called glowing wire method. In the process, the contaminated metal M e. The iodide is formed at the metal surface in an exothermic reaction and vaporizes completely, thus reaching a glowing wire which was heated up to high temperatures. That way the decomposition of the metal iodide via the metals deposition proceeds and the metal is deposited on the hot wire. Cardiothoracic surgery is the field of medicine involved in surgical treatment of organs inside the thoracic cavity — generally treatment of conditions of the heart heart disease , lungs lung disease and other pleural or mediastinal structures.
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