Diana Goodwine

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The switching characteristics (turn-on and turn-off) and forward conduction drop of trench-gate IGBTs are examined over a temperature range of-150 to 150 °C. An analytical description of the forward conduction voltage drop is presented based on temperature dependencies of the appropriate physical parameters and mechanisms. A physics-based PSpice model,(More)
INTRODUCTION Appendicitis is a common condition presenting to the emergency department (ED). Increasingly emergency physicians (EP) are using bedside ultrasound (BUS) as an adjunct diagnostic tool. Our objective is to investigate the test characteristics of BUS for the diagnosis of appendicitis and identify components of routine ED workup and BUS associated(More)
INTRODUCTION The objective of this study was to determine whether there is a relationship between body mass index (BMI) and success or accuracy rate of beside ultrasound (BUS) for the diagnosis of appendicitis. METHODS Patients four years of age and older presenting to the emergency department with suspected appendicitis were eligible. Enrollment was by(More)
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