BACKGROUND Duty cycle is the portion of time spent in compression relative to total time of the compression-decompression cycle. Guidelines recommend a 50% duty cycle based largely on animal investigation. We undertook a descriptive evaluation of duty cycle in human resuscitation, and whether duty cycle correlates with other CPR measures. METHODS We calculated the duty cycle, compression dept...

An updated assessment of "ne particle emissions from lightand heavy-duty vehicles is needed due to recent changes to the composition of gasoline and diesel fuel, more stringent emission standards applying to new vehicles sold in the 1990s, and the adoption of a new ambient air quality standard for "ne particulate matter (PM 2.5 ) in the United States. This paper reports the measurement of emiss...

This concise presents a Modified Successive Approximation Register (MSAR)-based duty cycle corrector (DCC), which achieves low jitter, fast lock time with an accurate 50% duty cycle correction. This Modified SAR adopts a binary search method to condense lock time while maintaining tight synchronization between effort and production clocks. The projected DCC consists of a duty-cycle detector, a ...

OBJECTIVES Women who combine formal and informal caregiving roles represent a unique, understudied population. In the literature, healthcare employees who simultaneously provide unpaid elder care at home have been referred to as double-duty caregivers. The present study broadens this perspective by examining the psychosocial implications of double-duty child care (child care only), double-duty ...

BACKGROUND Overwork, fatigue, and sleep deprivation due to night duty are likely to be detrimental to the performance of medical residents and can consequently affect patient safety. OBJECTIVE The aim of this study was to determine the possibility of deterioration of cerebral function of sleep-deprived, fatigued residents using neuroimaging techniques. DESIGN Six medical residents were inst...

BACKGROUND The purpose of this study was to determine the percentage of amputee soldiers who sustained their injury during the current conflicts in Afghanistan and Iraq and have returned to duty. In addition, the authors plan to identify the factors that influence the amputee's likelihood to return to duty. METHODS The computerized records of amputee soldiers who presented to the Physical Eva...

INTRODUCTION A growing body of literature has emerged describing the risks of extended-duty shifts and sleep deprivation. Worldwide, midwifery organizations have not adopted standards for practitioner or student duty shifts. This project reviews the literature related to extended-duty shifts in an effort to develop evidence-based recommendations for student nurse-midwives/student midwives (SNMs...

BACKGROUND The Swedish resident duty hour limit is regulated by Swedish and European legal frameworks. With a maximum average of 40 working hours per week, the Swedish duty hour regulation is one of the most restrictive in the world. At the same time, the effects of resident duty hour limits have been neither debated nor researched in the Swedish context. As a result, little is known about the ...

BACKGROUND AND OBJECTIVES In July 2010, the Accreditation Council for Graduate Medical Education (ACGME) published its proposed duty-hour regulations. We conducted a national online survey to assess current family medicine residents' perceptions of the proposed changes. METHODS A 27-question survey was used to assess four ACGME proposal domains: resident supervision, 80-duty-hour week, maximu...

John Harris has previously proposed that there is a moral duty to participate in scientific research. This concept has recently been challenged by Iain Brassington, who asserts that the principles cited by Harris in support of the duty to research fail to establish its existence. In this paper we address these criticisms and provide new arguments for the existence of a moral obligation to resea...