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Free research papers and essays on topics related to: perfusion

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  • Death Penalty - 1,191 words
    Death Penalty Sign up now for a free trial. Date Smarter! Death Penalty Electric chair, gas chamber, lethal injection, firing squad, hanging, guillotine, and garroting. When you hear these words what do you think of? Do you feel frightened? When some hear these words they tend to say, " Oh they deserve it". In the court system that is not always the case. The question you always have to ask yourself is what did the accused do and do they deserve the death penalty? What is bad enough to deserve death? Are their certain crimes that do and then some that do not? Almost every culture through out history has relied on the death penalty and capital punishment and justified as a nec ...
    Related: death penalty, penalty, heart attack, blood cells, electricity
  • Introduction - 2,200 words
    INTRODUCTION Cardiac Location and Structures The heart is the driving force of the circulatory system, contracting about 70 times/minute to pump an adequate volume of blood with sufficient pressure to perfuse all body organs and tissues. The muscular organ, about the size of a clenched fist, weights from 300 to 400 g. It is located within the mediastinum of the thoratic cavity, above the diaphragm and between the lungs. This location subjects the hearts activity to influence from all pressure variances during respiration, Fassler, (1991). Intrathoracic pressure varies with the respiratory cycle. On inspiration, the heart moves slightly vertically, and the increased negative pressure generate ...
    Related: carbon dioxide, heart disease, sympathetic nervous system, lining, conduction
  • Prolonged Preservation Of The Heart Prior To Transplantation - 1,952 words
    Prolonged Preservation of the Heart Prior to Transplantation Biochemistry Prolonged Preservation of the Heart Prior to Transplantation Picture this. A man is involved in a severe car crash in Florida which has left him brain-dead with no hope for any kind of recovery. The majority of his vital organs are still functional and the man has designated that his organs be donated to a needy person upon his untimely death. Meanwhile, upon checking with the donor registry board, it is discovered that the best match for receiving the heart of the Florida man is a male in Oregon who is in desperate need of a heart transplant. Without the transplant, the man will most certainly die within 48 hours. The ...
    Related: preservation, prolonged, transplantation, citric acid cycle, technique
  • Resuscitation From Severe Hemorrhage - 434 words
    Resuscitation from Severe Hemorrhage The resuscitation after severe hemorrhage is a very delicate process which involves many biological factors with a very small time window. To successfully revive a victim of severe exsanguination, one must work quickly within the "golden hour" time limit. In this time period, there are various trauma that must be avoided; cardiac arrest, hypotension, hemorrhagic shock, and hypothermia to name a few. This article encompasses the current technology for resuscitation as well as future possibilities for research. The basic idea behind the resuscitation process involves the restoration of normotension in the blood stream while avoiding cardiac arrest, and hemo ...
    Related: resuscitation, more effective, blood pressure, cardiac arrest, injury
  • Sf Lepidopteran Cells - 1,454 words
    SF-9 Lepidopteran Cells PHM499 Research Project Supervisors: Dr. P. S. Pennefather, Dr. S. M. Ross Calcium transport study of SF-9 lepidopteran cells and bull frog sympathetic ganglion cells Kenny Yu Faculty of Pharmacy, University of Toronto, 19 Russell Street, Toronto, Ontario M5S 2S2 ABSTRACT The intracellular calcium level and the calcium efflux of the bull-frog sympathetic ganglion cells (BSG) and the SF-9 lepidopteran ovarian cells were investigated using a calcium-sensitive fluorescence probe fura-2. It was found that the intracellular calcium levels were 58.2 and 44.7 nM for the BSG cells and SF-9 cells respectively. The calcium effluxes following zero calcium solution were 2.02 and ...
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