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Heparinisation : The patient should be fully heparinised before the start of cardio pulmonary bypass. Baseline activated clotting time is measured (ACT). 3 mg (300 units) per kg body weight of heparin is administered. After five minutes, ACT is checked. It should be above 400 seconds for safe cardio pulmonary bypass. Heparin is added to the priming fluid in the pump, at the rate of 3 units per ml of fluid. During perfusion, ACT is checked every 15 minutes, to keep it above 400 seconds at 30°C and at 480 seconds, if the temperature is below 30°C. At the end of surgery, when the pump is switched off and the venous cannulae are removed, protsunine sulphate is given to neutralize the effect of heparin. The usual dose is 1 to 1.5 milligrams of protarnine sulphate for each milligram of heparin administered.
Point mutations are often caused by substances called mutagens explain? Point mutations are often caused by substances called mutagens. Base analogs, such as 5-bromouracil, a t
What is genetic equilibrium? The Genetic equilibrium is the result of the Hardy-Weinberg law, a principle that affirms that under specific conditions the frequencies of the all
Define Vacuum production and Thermal processing - Canning? Vacuum production - This can be obtained by filling the heated product into the can, by heating the can and content
does crossing over occur in all the homologous chromosomes???
What are main limitations on size that can be synthesized and how will that be change over next few years? A: Today, a 10kb gene or longer is built as part of the regular produ
Two important human fossils that throw much light on the human ancestory were discovered in .Olduvai beds in Africa and in central Java respectively. Although the development of bi
Q. What is the metagenesis? What are the other names of this procedure? Metagenesis is thekind of life cycle in which there are two different forms of individuals of the same s
Give three reasons why energy transfer between trophic levels is not 100 percent. Some of the organisms in a trophic level escape being eaten; some energy is kept in molecules
Which of the following processes in capillaries in the lung assist in the removal of carbon dioxide from the body? A. Net flux of bicarbonate from plasma into red blood cells.
Wildlife - Ecology The term wildlife probably originated in 1913 in a book, Our Vanishing Wildlife by William Hornaday, Director of the New York Zoological Park. The main focu
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