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The energy efficiency of a wireless network interface is a major design issue since mobile devices are often constrained by the battery. The work presented here follows the question which parameter of a WLAN interface can be adjusted to improve energy efficiency.We measured the power consumption of a WLAN interface for various operational modes and(More)
OBJECTIVE To identify deaths in Australasia associated with overdose of gamma-hydroxybutyrate (GHB) and its precursors (gamma-butyrolactone and 1,4-butanediol). DESIGN A retrospective search of medical and scientific information sources, as well as popular newsprint, for the period January 2000-August 2003, with formal clinical, toxicological and forensic(More)
BACKGROUND Despite numerous studies on prehospital airway management, results are difficult to compare due to inconsistent or heterogeneous data. The objective of this study was to assess advanced airway management from international physician-staffed helicopter emergency medical services. METHODS We collected airway data from 21 helicopter emergency(More)
Survival rates following traumatic cardiac arrest (TCA) are known to be poor but resuscitation is not universally futile. There are a number of potentially reversible causes to TCA and a well-defined group of survivors. There are distinct differences in the pathophysiology between medical cardiac arrests and TCA. The authors present some of the key(More)
STUDY OBJECTIVE Although preoxygenation for emergency airway management is usually performed with nonrebreather face masks or bag-valve-mask devices, some clinicians also deliver supplemental high-flow oxygen by nasal cannula. We aim to measure the efficacy of supplemental nasal cannula oxygen delivery to conventional bag-valve-mask and nonrebreather face(More)
The power consumption of a wireless NIC is a crucial issue because wireless nodes are often constrained by the battery due to strict requirements regarding weight and size. In the paper, we present power consumption measurement results of an Aironet PC4800 PCMCIA wireless interface which is based on Intersil’s PRISM I 802.11 11 MBit/s chipset. Thereby, we(More)
STUDY OBJECTIVE The Greater Sydney Area Helicopter Emergency Medical Service undertakes in excess of 2,500 physician/paramedic out-of-hospital and interhospital retrievals each year, of which 8% require intubation. Emergency anesthesia of critically ill patients is associated with complications, including hypoxia. In July 2011, the service introduced apneic(More)
BACKGROUND A helicopter emergency medical service (HEMS) capable of winching offers several advantages over standard rescue operations. Little is known about the benefit of physician winching in addition to a highly trained paramedic. OBJECTIVE To analyse the mission profiles and interventions performed during rescues involving the winching of a physician(More)
INTRODUCTION Fresh frozen cadavers are effective training models for airway management. We hypothesised that residual carbon dioxide (CO2) in cadaveric lung would be detectable using standard clinical monitoring systems, facilitating detection of tracheal tube placement and further enhancing the fidelity of clinical simulation using a cadaveric model. (More)