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Fenoterol 의 혈청 K+ 강하효과:경구 및 흡입투여의 효과
유세화,김열홍,유혜경,서순규 대한내과학회 1986 대한내과학회지 Vol.30 No.5
The systemic effect of inhalation of fenoterol, a β₂-agonist, especially the effect on plasma potassium was studied in four groups of four healthy young subjects. Group I received 3 times 1 puff inhalation(0.2 mg fenoterol/puff), group Ⅱ 3 times 2 Puffs, and group Ⅲ 3 times 4 puffs. Group Ⅳ took 1 tablet of fenoterol(2. 5 mg fencterol/tablet). Plasma potassium, sodium, chloride, calcium, glucose, pulse rate and mean arterial pressure were checked at 15-min intervals for 60 minutes in group I, Ⅱ, Ⅲ, and 30-min intervals for 120 minutes in group Ⅳ, Plasma potassium levels decreased in subjects who received fenoterol inhalation; the decrease was 0. 26±0.16(S.D.)mmol/L in group I, 0.73±0,47 mmol/L in group Ⅱ and 0.76±0.2.3 mmol/L in group g. In group Ⅳ plasma potassium levels were unchanged. Plasma glucose and pulse rate al o increased significantly after fenoterol inhalation. In conclusion, inhalation of fenoterol showed measurable systemic effects and especially induced hypokalemia may be dangerous in patients with cute asthmatic attack.
스마트 센서를 위한 IEEE 1451.2 의 적용과 중복 네트워크 모듈의 운영
유세형(Sehyung Ryu),이석(Suk Lee) 한국자동차공학회 2002 한국자동차공학회 Symposium Vol.2002 No.11
The problems of the smart sensors for x-by-wire systems are their reusability and<br/> redundancy. The replacement of a sensor modules in the Electronic Control System based on<br/> CAN(Controller Area Network) would cost very much and the sensor modules might be<br/> incompatible among network modules. Furthermore, in multiple redundancy modules, when we<br/> switch to a module, it is required to reprogram the system because of the difference of the<br/> calibration values. This paper deals with: (i)IEEE 1451.2 standard that describes the digital<br/> interface between the network node and sensor modules, and (ii)Redundancy management of<br/> network modules that prescribes the dual redundancy module behavior. Efficiency of the IEEE<br/> 1451.2 and redundancy management algorithm was experimentally evaluated on the<br/> brake-by-wire testbed.