Harry Ulrich

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OBJECTIVE The objective was to assess the risk of central venous catheter infection with respect to the site of insertion in an intensive care unit population. The subclavian, internal jugular, and femoral sites were studied. DESIGN An epidemiologic, prospective, observational study. SETTING The setting is a well-functioning intensive care unit under a(More)
Acute tumor lysis syndrome (ATLS), a condition which results from a rapid destruction of tumor cells with massive release of cellular breakdown products, has been well described. However, only a few cases of spontaneous ATLS have been reported in the literature. Acute renal failure (ARF) from spontaneous ATLS has been reported only in three patients who(More)
A new physics teacher faces a daunting task. All too frequently he or she is asked to teach physics without the benefit of sufficient background in either the content or pedagogy of physics. Yet, obtaining that background information is not easy for an in-service, under-prepared teacher. The Physics Teaching Web Advisory (Pathway) is addressing this problem(More)
A new physics teacher faces a daunting task. All too frequently he or she is asked to teach physics without sufficient background knowledge in either the content or pedagogy of physics. Yet, obtaining that background information is not easy for an in-service, under-prepared teacher. The Physics Teaching Web Advisory (Pathway) is addressing this issue by(More)
The ALPS project (Active Learning in Problem Solving) is building and evaluating an educational technology that combines cognitive tutors with a novel interactive questioning environment called Synthetic Interviews. Our goal is to develop an " active learning " environment that rivals the effectiveness of human tutors. The first version combines an existing(More)
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