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허진,최원혁,조진혁,함영희,홍정범,정성규,김현,허동 고신대학교 의과대학 2010 고신대학교 의과대학 학술지 Vol.25 No.2
Two men were admitted to hospital with flank pain, hematuria, which was diagnosised as ureteral stone. Elevation of aspartate aminotransferase (AST) without typical pattern of toxic hepatitis was observed. Careful history taking, several laboratory tests, abdominal and pelvis computered tomography was done. Findings from theses examinations supported the clinical diagnosis of ureteral stone complicated of exercised induced rabdomyolysis. Early recognization of rhabdomyolysis in clinical setting is important, because clinical manifestations have ranged from asymtomatic elevation of creatine kinase to acute renal failure which is a life threating medical emergency. Authors report two cases of exercised induced rhabdomyolysis initially admittied as ureteral stone managed with hydration
Surface and Upper-Level Features Associated with Wintertime Cold Surge Outbreaks in South Korea
Sang, Boom Ryoo,Won, Tae Kwon,Jong, Ghap Jhun China Ocean Press ; Springer-Verlag 2005 Advances in atmospheric sciences Vol.22 No.4
<P>The surface and upper-level features associated with a sharp drop of wintertime daily temperature over South Korea is investigated in this study. This sharp drop in daily temperature is called a cold surge and is one of the most hazardous weather phenomena in East Asian winters. An upper-level baroclinic wave of 60° wavelength propagating eastward at a phase speed of 12° longitude per day across the continent of northern China from the west of Lake Baikal toward the eastern coast of China causes the outbreak of cold air over South Korea. The cooling associated with the upper-level baroclinic wave is found at all altitudes under the geopotential height-fall center near the tropopause. The development in the ridge seems to derive the early evolution of the eastward-propagating sinusoidal wave, whereas the trough is connected directly with the tropospheric temperature-drop. An enhancement of the wintertime East Asian jet stream after the outbreak of a cold surge is a response to the steep temperature gradient associated with the developing baroclinic wave.</P>
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홍정범,허 진,조진혁,박민규,함영희,정성규,김수형,최재영 고신대학교 의과대학 2011 고신대학교 의과대학 학술지 Vol.26 No.2
Variant angina is a syndrome of cyclical chest pain at rest caused by vasospasm and associated with ST-segment elevation. Most of these cases are induced by the provocation with ergonovine or acetylcholine, and mechanical irritation of coronary artery by catheter, but spontaneous migrating spasm in right coronary artery is very rare. We report a fifty one year old male patient presenting as a variant angina due to spontaneous migrating spasm in right coronary artery during diagnostic coronary angiogram. The spasm was relieved spontaneously or by the administration of intracoronary nitroglycerin. No chest pain was documented after medication with calcium-channel blocker and nitrates on 6 month clinical follow-up. This paper presents our experience with a patient presenting with migrating coronay vasospasm of right coronary artery.
Kim, Boom-Soo,Hong, Sang-Jeen The Korean Institute of Electrical and Electronic 2012 Transactions on Electrical and Electronic Material Vol.13 No.3
Optical emission spectroscopy (OES) is often used for real-time analysis of the plasma processes. OES has been suggested as a primary plasma process monitoring tool. It has the advantage of non-invasive in-situ monitoring capability but selecting the proper wavelengths for the analysis of OES data generally relies on empirically established methods. In this paper, we propose a practical method for the selection of OES wavelength peaks for the analysis of plasma etch process and this is done by investigating reactants and by-product gas species that reside in the plasma etch chamber. Wavelength selection criteria are based on the standard deviation and correlation coefficients. Moreover, chemical actinometry is employed for the normalization of the selected wavelengths. We also present the importance of chemical actinometry of OES data for quantitative analysis of plasma. Then, the suggested OES peak selection method is employed.. This method is used to find out the reason behind abnormal etching of PR erosion during a series of $SiO_2$ etch processes using the same recipe. From the experimental verification, we convinced that OES is not only capable for real-time detection of abnormal plasma process but it is also useful for the analysis of suspicious plasma behavior.