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RISS 인기검색어
- 검색키워드
- 저자 : 徐錫完 (검색결과 6 건)
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서석완,채의업,Suh, Suk-Wan,Chae, E-Up 대한생리학회 1971 대한생리학회지 Vol.5 No.2
Anesthetized dogs were tilted from horizontal to the upright and head down position. Tilting to the upright position was followed by an increase in heart rate. In the head down position a decreased heart rate was obtained. The arterial blood pressure was decreased in the upright position and was decreased markedly in the head down position. The central venous pressure was decreased in the upright position and was markedly decreased down to the negative pressure in the head down position. The respiratory rate was slightly increased in the upright position comparing to that in the horizontal position. No remarkable changes were noted in the head down position. From the above results the following factors were discussed The decreased arterial blood pressure during the upright position was supposed to be the secondary effect from the diminished venous return that was suggested by the decreased central venous pressure. The decreased arterial blood pressure in the head down position was also supposed as the above reason as the diminished central venous pressure during the tilt. In addition the cardioinhibitory effects originated from the baroreceptors might have been operated during head down tilting. In the heart rate there was slight tachycardia in the upright position this was assumed as the abolished cardioinhibitory impulses from the baroreceptor in the upright position. On the contrary, despite of the decrease of arterial blood pressure in the head down position as well as in the upright, the bradycardia have been appeared. This was suggestive of cardioinhibitory impulses from the baroreceptors which was stretched during head down tilting. From the above findings there is a possibility of continous cardioinhibitory responses during head down tilting for this kind of the short period of 10 minutes which was chosed in this study.
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朴荀植,徐錫完 효성여자대학교 산업경영연구소 1998 경영경제 Vol.15 No.-
Bank risk management is more than just policies and procedures covering the various segments of a business. Management must give thought to the risks to which the strategies give rise. Risk management policies which delineates serve the dual purposes of establishing patterns of behavior which delineates serve the dual purposes of establishing patterns of behavior which are consistent with of risk to be assumed along the way. The evaluation culminates in a rating knowing by its acronym CAMEL. CAMEL is derived from the first letters of the words Capital, Assets, Management, Earnings and Liquidity. Especially, bank risk management technique is the risk measurement framework and the capital requirement. As the capital requirement, the principal form of eligible capital to cover market risk consists of shareholders' equity and retained earnings (tier 1 capital) and supplementary capital (tier 2 capital) as defined in the 1988 Basle Accord. But banks may also, at the discretion of their national authority, employ a third tier of capital (tier 3 capital), consisting of short-term subordinated debt as defined for the sole purpose of meeting a proportion of the capital requirement for market risks. As risk measurement framework, bank will have flexibility in devising the precise nature of their models, but the standards will apply for the purpose of calculating their capital change. VAR(value at risk) must be computed on a daily basis. In calculating VAR, a 99th percentile, one-tailed confidence interval is to be used. An instantaneous price shock equivalent to a 10 day movement in price is to be used and so on. A VAR statement has below components, the dollar amount or the probability of the loss not exceeding the dollar amount, a methodology for using the assumptions that define normal market conditions, a methodology for using the assumptions to compute the VAR. Accordingly, the above mentioned domestic bank risk management is to request a sufficiency of the capital requirement and devising of the risk measurement framework models with value at risk.
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李重吉,徐錫完,金亨洙,呂雄淵 慶北大學校 醫科大學 1970 慶北醫大誌 Vol.11 No.1
A peculiar abnormal breathing was observed in dogs anesthetized with the thiopental whan the animal was under hypoxic condition or was given booster doses of thiopental. The characteristics of the abnormal breathing was one to three times of rapid and shallow ( tidal volume, 80-150㎖) breathing developed after the normal inspiration (200-250㎖) and the abnormal breathings one to few short breathings, was followed by a normal expiration. (Figure 2.) Effects of vagotomy on the breathing in hyperpneic or hypopneic dogs were also studied in present paper. Both side cervical vagotomy was done in hyperpneic dogs, rebreathing low O_2 or CO-O_2 gas mixture, and in hypopneic dogs in which respiration was markedly suppressed by booster doses of intravenous thiopental injection. After the vagotomy, respiratory rate was more remarkably decreased in hyperpneic dogs than in hypopneic dogs. The tidal volume was doubled by the vagotomy in both hyperpneic and hypopneic dogs. The minute ventilation was depressed significantly following the vagotomy in hyperpneic dogs while no change was found in hypopneic dogs after the vagotomy. Authors were impressed, considering above described results, that the extent of change in the respiration following the vagotomy is closely related to the respiratory condition of the animal at the experiment.
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RBC의 시간 경과에 따른 각 농도별 삼투적 취약성의 상관관계
심민철,김형수,서석완,이상화 최신의학사 1971 最新醫學 Vol.14 No.8
An attempt was made to observe the effect of the exposure time to the percent hemolysis at the given concentrations of the sodium chloride solution. In the osmotic fragility test of clinical examination some different exposure times to read, are employed from 2 minutes to 18 hours. The percentage of the occurrence of hemolysis in each concentration of hypotonic saline solution in the course of time from 20 minutes to 72 hours, was observed in red blood cell of the young adults. As a result, the relationship between exposure time and concentration of solution on the osmotic fragility by the percentage of the occurrence of the hemolysis was expressed in a methematical formula, P= (C-0.86)t0073X0.208/-0.04t0073-0.01 where P is the percentage of the occurrence of hemolysis, t is exposure time and C is the concentration(%) of the sodium chloride solution.
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