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정준영,이창현,김현정,도호석,이삼범,도병수 大韓應急醫學會 1997 대한응급의학회지 Vol.8 No.1
Study objectives: To compare the quality of CPR provided by medical students and pre-EMTs perfoming three-rescuer CPR with that achieved by same students trained to provide standard two-rescuer CPR and to find the most effective method of resuscitation and to educate this methods to students. Material and methods: From July 1 to September 30, 1996, we had trained 60 groups consisted of the medical students, students of EMS technology and pre-EMT. Each group practiced two-rescuer CPR and three-rescuer CPR for 120 minutes with Resusci? Anne and perfomed CPR for at least 3 minutes without feedback. To eliminate any visual cues of perfomance the mannequin's recorder was hidden. Each actions were recorded by Resusci? skillmeter and Laerdal printer. To compare the quality of two-rescuer CPR and three-rescuer CPR, we analyzed the data by SPSS with paired t-test. Results: Three-rescuer teams delivered a mean minute ventilation and a mean minute cardiac compression substantially greater than that produced by two-rescuer teams(11.30±1.85 vs 9.09±2.22, p<0.001; 99.22±12.42 vs 95.12±15.75, p<0.001). Three-rescuer teams produce the more correct actions in chest compression and ventilation(93.84±7.56% vs 83.49±16.94%, 90.90±9.33% vs 77.00±17.06%). Conclusion: Three-rescuers can produce better CPR than two rescuers when a bag-valve-mask devices is used and the technique is easily learned and readily retrained, so we think that repeated education and training of this CPR methods to students is needed.
정준영,이창현,김현정,도호석,이삼범,도병수 大韓應急醫學會 1997 대한응급의학회지 Vol.8 No.1
The Organ Injury Scaling Committee of the American Association for the Surgery of Trauma recently published a consensus classification of hepatic and splenic injuries. The hepatic and splenic injury scales, based on parenchymal laceration and intrahepatic hematoma, include grade 1 to 6 and grade 1 to 5 respectively, representing the least to most severe injury. Forty-eight patients with hepatic and splenic injury were evaluate by abdominal CT from January 1995 to May 1996 and we compared abdominal CT grading with operative grading. Four CT grades did not correlate with operative finding. CT grading showed a sensitivity of 80%, specificity 80% in regard to operative grading. We conclude that 1) CT is an accurate technique to determine the extent of hepatic and splenic injury. 2) CT grading of hepatic and splenic trauma has a high correlation with operative grading.
급성흉통으로 내원한 환자에서 심근경색증을 조기 발견하기 위한 TROP-T?Rapid Assay의 유용성
정준영,이창현,김현정,도호석,이삼범,도병수 대한응급의학회 1996 대한응급의학회지 Vol.7 No.2
Study Objectives : In the past, measurement of cardiac enzymes(i.e. CK and/or CK-MB, GOT, LDH)and myoglobin, cardiac specific serum troponin-T were widely used for the diagnosis of acute myocardial infarction, but it need a long time and have low specificity. Thus new diagnostic modality, TROP-T?? Rapid Assay, is very easy and rapid qualitative methods, is needed for the early detection of acute myocardial infarction. Methods : Total CK, GOT, LDH, myoglobin and serum troponin-T activities were measured in patients presenting with acute chest pain at the emergency department and at the same time TROP-T? Rapid Assay was done. Final diagnosis and diagnostic usefulness was evaluated. Results : Overall diagnotic sensitivity and specificity of initial results were as follows; TROP-T? Rapid Assay, 77.3, 100.0; myoglobin, 63.6, 70.4; CK, 95.5, 96.3; GOT, 86.4, 96.3; LDH, 90.9, 92.6; serum troponin-T, 86.4, 96.3, respectively. Conclusion : The TROP-T?? Rapid Assay is simple method and has a short time and nearly same sensitivity and specificity compared to other cardiac enzymes. Thus this is considered useful method in the early detection of acute myocardial infarction at emergency department.
도병수,김현정,정준영,도호석,이창현,이삼범 대한응급의학회 1996 대한응급의학회지 Vol.7 No.2
Study objective: To recognize importance of pain management in ED and properly manage the ED patients complaining pain by analyzing the intervals between arrival time in ED and pain medicine starting time, the types and the administered routes of pain medicine. Design: Retrospective review of ED charts Setting: University teaching hospital Participants: The patients had admitted in ED of Yeungnam University Hospital with a chief complaint of acute abdominal pain or pain due to bone fracture between June 1, 1995 and December 31, 1995. Results: The study group consisted 256 patients, 161 of them female. ED administrations of analgesics were 103 cases, 17 of them administered more than two times. The average time interval between arrival time and medication time was 169.02±120.25 minutes. Each types of perceived analgesics were antispasmodics 55 cases(53.40%), NSAID 26 cases(25.24%) and opioid 19 cases(18.45%). Every analgesics were administered through intramuscular routes, except only 3 cases. Violences of patients or relatives due to delayed pain control were occured 32 cases, 5 cases of them self-discharged and looked for other hospitals. Conclusion: Emergency physicians including interns and residents delayed management so long and ordered inappropriate administration routes and types of analgesics. So we thought proper protocols about pain management in ED were established.
人 諸臟器 Alkaline Phosphatase Isoenzyme의 電氣泳動 및 定量
金在植,金京善,金重明,金榮泰,蔣卓仙,李鉉基 慶北大學校 醫科大學 1980 慶北醫大誌 Vol.21 No.2
著者들은 家兎와 人體로부터 採取한 血淸과 諸臟器組織을 使用하여 ALPI 電氣泳動像을 觀察하고 生化學的 定量法을 利用하여 ALP의 活性度를 測定試圖하였으며 臟器特異性 沮害因子에 對한 影響을 觀察하였다. 家兎 血淸 및 諸臟器組織 ALPI電氣泳動에서 血淸은 ±의 活性度를 가진 α2와 α2/β分劃을 나타내었으며 肝組纖은 血淸보다 빠른 移動度를 가진 ??의 α_1과 α_2分劃을 나타내었다. 그리고 肝, 骨, 腎 淋巴腺, 脾臟 및 腸組織에서는 顯著하게 높은 活性度를 나타내는 各各 서로 相異한 分劃을 볼 수 있었으며 人體諸 臟器와大體로 類似하였으나 家兎 血淸의 ALP는 사람에서 와는 다르게 肝組織의 分劃과 一致하지 않고 오히려 骨組織과 더 잘 一致되는 것 같았다. ALPI 活性度에 있어서 家兎의 諸臟器는 生化學的 定量法으로 腎 ALP의 活性度가 49.5B.L. units로 다른 臟器組織에 비하여 顯著하게 높았으며, 그 다음은 脾臟, 脊椎骨, 肝, 肺淋巴腺 및 脾 順으로 높은 活性度를 나타내었으며 人體에 있어서는 胎盤, 骨, 小賜, 脾臟, 肝 및 腎臟의 順으로 높았다. 臟器 特異性 沮害因子에 對한 影響에 있어서 胎盤分劃은 特有하게 耐熱性을 나타내었고 보다 urea低抗性이며 肝分劃은 neuraminidase에 對하여 移動度의 遲延을 招來하였다. The studies upon cellulose acetate microzone electrophoretic patterns, quantitative estimation and effects of organspecific inhibitor on ALP isoenzyme of rabbit and human sera and various organ tissues were performed. On electrophoretic pattern the tissue ALP from the liver bone kidney lymph node spleen and intestine showed the characteristic fraction of high activities. The electrophoretic mobility of rabbit serum ALP was not correspond to the liver ALP as observed in human serum and it appeared to be rather corresponded to the bone ALP, which seemed to be the origin of ALP in serum of rabbit. In the quantitative measurement of tissue ALP activity the kidney ALP showed the highest level and the activity of the skeletal muscle ALP was the lowest(1.5 B. L. units), while higher activities were observable in placenta, bone, intestine, spleen, liver and kidney in order. On the effect of organ specific physico chemical agents the placental ALPI was highly stable to the heat and relatively resistant to urea while other organ ALPI were on the contrary. The neuraminidase seemed to effect to the motility of liver fraction.
1530~1560 ㎚와 1570~1600 ㎚의 이득 대역을 갖는 10 Gbps×64 채널 파장 다중화된 광신호 증폭 유니트의 설계 및 특성 측정
이정찬(Jyung Chan Lee),정희상(Hee Sang Chung),주무정(Moo-Jung Chu),김광준(Kwangjoon Kim),이종현(Jong Hyun Lee) 한국광학회 2001 한국광학회지 Vol.12 No.3
1530~1560㎚와 1570~1600 ㎚ 대역에서 이득을 갖는 640 Gbps (10 Gbps×64채널) 파장 다중화된 광신호 증폭용 유니트를 설계, 제작하고 특성을 측정하였다. 640 Gbps 광신호 증폭 유니트의 이득 블록은 최적 광출력 특성을 유지하고 이득 블록의 동작 상태를 감시할 수 있도록 마이크로 프로세서에 의해서 제어된다. 640 Gbps 광신호 증폭 유니트의 각 대역별 광증폭 유니트는 총 입력 광 세기 범위 -5~+1 ㏈m에서 이득 평탄도 1 ㏈이내, 잡음 지수 7.2㏈ 이내, +21 ㏈m 이상의 고출력 특성을 갖는다. The structural design and the measured characteristics of optical signal amplification unit for 640 Gbps (10 Gbps×64 ch.) WDM transmission systems are reported. The unit is composed of two sub gain block units for the amplification of C-band (1530~1560 ㎚) and L-band (1570~1600 ㎚), respectively. Programmable microprocessors monitor the states of operation and optimize the optical output conditions. Each sub gain block unit can maintain total optical output power of +21 ㏈m with gain flatness of < 1 ㏈ and noise figure of <7.2 ㏈ for the input power in the dynamic range from-5 to +1 ㏈m.