http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
초등학교 3학년 "혼합물의 분리" 단원에서 문제해결 과정을 강조한 수업 전략 개발 및 적용
이신현 ( Shin Hyun Lee ),최선영 ( Sun Young Choi ) 한국초등과학교육학회 2014 초등과학교육 Vol.33 No.1
The purpose of this study was to develop a teaching strategy focused on problem solving process and explore its effects on science creative problem solving ability, science process skills, science academic achievements and scientific attitudes of students after applying it. Teaching strategy focused on problem solving process employed brainstorming and PMI thinking strategies. The participants were the third grade students of both an experimental class(26 students) and a comparative class(25 students) at the S elementary school located in Goyang-City, Kyonggi Province. The developed strategy was applied to the experimental class for 9 periods of ‘Separation of mixture’ unit. The results of the tests on the science creative problem solving ability, the science process skills, scientific achievement and scientific attitude were statistically higher in the experimental class.
Unexpected cardiac arrest in the neurosurgical ward
손준익,고명진,이영석,이신현,장주성,박용숙 대한정위기능신경외과학회 2023 대한정위기능신경외과학회지 Vol.19 No.1
ObjectiveThis study aimed to identify possible predictors of unexpected cardiac arrest (CA) in the neurosurgical ward. MethodsA retrospective review of 24 patients who experienced unexpected CA between January 2012 and March 2022 was conducted. Data on demographics, diagnoses, comorbidities, CA timing, pre-CA vital signs, transfer interval from intensive care unit (ICU) to ward, cardiac rhythm, neurological outcomes, and probable causes were collected. We excluded patients who died in the ICU and those with a do-not-resuscitate order. ResultsThe average age was 70.3 years. Vascular diseases and head traumas were common diagnoses. About 70.8% of arrests occurred during on-call time and 62.5% took place on weekends. The mean interval between ICU transfer and CA was 13.8±29.7 days, with 54.2% occurring within 4 days and 83.3% within 14 days. Pulseless electrical activity was the most frequent initial cardiac rhythm when CA occurred. Respiratory issues were the leading cause of CA (54.2%), and 91.7% of patients had poor neurological outcomes. Within 48 hours before CA, the average value of the lowest arterial oxygen saturation significantly deteriorated from 95.8±2.9% to 90.1±11.4%. ConclusionUnexpected CA often occurred on weekends and during night duty. Half of the cases took place within 4 days and over 80% within 2 weeks of transferring from the ICU to the ward, with respiratory problems being the main cause. Greater attention should be given to patients’ breathing patterns during night shifts and weekends, especially within the first 2 weeks after patients leave the ICU.