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- 저자 : 황선철 (검색결과 321 건)
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Acute Shunt Malfunction after Cesarean Section Delivery: A Case Report
황선철,김태희,김범태,임수빈,신원한 대한의학회 2010 Journal of Korean medical science Vol.25 No.4
Shunt malfunctions that require surgical intervention during pregnancy and the postpartum period are rare. Furthermore, no study has reported on an acute shunt malfunction immediately after cesarean section. Here, we describe the case of a 32-yr-old woman who became drowsy 12 hr after cesarean section delivery of her second child. She had a ventriculoperitoneal shunt placed to treat hydrocephalus associated with meningitis at 26 yr of age. Marked ventriculomegaly was seen on brain computed tomography and her consciousness recovered temporarily after aspirating cerebrospinal fluid from the flushing device. At surgery, the distal catheter tip was plugged by a blood clot. We believe that the blood spilled over during the cesarean section. The clogged catheter end was simply cut off and the remaining catheter was repositioned in the peritoneal cavity. Her consciousness recovered fully.
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임상실습을 위한 산·학 연계실태와 그 개선방법에 관한 연구
황선철,김혜순,이창규 高麗大學校 倂設 保健大學 保健科學硏究所 1992 保建科學硏究論集 Vol.1 No.1
The mandatory clinical practice or internship program was included in the regular curriculum with 10 credit since 1991 school year. Therefore, new clinical practice education will be initiated form spring semter of 1993 for 8 weeks for each student of medical technology. The outcome is the result of the extension of school years from previous 2 years to 3 years starting from 1991. Since the credit-related clinical practice for medical technology student was added to the curriculum as a new teaching program, many problems involved with its processing have been encountered to prepare before sending them out to hospital labortories. Some major problems among many complicated ones are: 1) capacity problem of laboratory facillities to accomodate students who should comply was the curriculum requirement. Compared to the number of students, laboratory facilities are too small in number. 2) assignment of clinical practice education coordinator in the labortory is currenty almost infeasible due to budget problem and his or her qualification. It is common practice that education coordinator is an essential condition in accreditation of teaching facillities for the related students. However, it is probable that sencor mediated technologists or superior of the laboratory should lake the responsibility in place of the coordinator for the time being, of course this should be a temporary alternative. There should be a fixed coordinator in the laboratory who is totally eligible to handle the internship program. 10 credits are just about the half of total credits established in a semester. Consequently, it is very natural to pay adequat amount of money to the laboratory facilities in return of benefit obtained through the clinical laboratory practice. To calculate the adequate amount of money, it is necessary to figure out the budget of tuition and allocated school laboratory expenses. These problems should be discussed bilaterally between representives of teaching hospitals and colleges, and be prepared in written document all the conditions that are agreed apon.
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황선철,권혁제 대한의용생체공학회 1991 의공학회지 Vol.12 No.2
This paper describes an algorithm of pattern analysis of ECG signals by significant points extraction method. The significant points can be extracted by modified zerocrossing method, which method determines the real significant point among the significant point candidates by zerocrossing method and slope rate of left side and right side. This modified zerocrossing method improves the accuracy of detection of real slgnficant polnt Position. This Paper also describes the pattern matching algorithm by a hierarchical AND/OR graph of ECG signals. The decomposition of ECG signals by a hierarchical AND/ OR graph can make the pattern matching process easy and fast, Furthermore the pattern matching to the significant points reduces the processing time of ECG analysis.
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