Jacques How

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Clinical practice guidelines provide a means to enhance physician performance. This investigation was undertaken in an attempt to understand the nature of impact of guideline use on physician performance. We investigated the impact of (a) algorithmic-based and (b) text-based practice guidelines on clinical decision-making by physicians at varying levels of(More)
Sleep deprivation leads to impairment in performance, loss of efficiency and deterioration in mood states such as tension, depression, aggression, fatigue, confusion and vigour. These can be detrimental to combat readiness and could contribute to "battle stress". In the present study, a homogeneous group of 20 seamen under total sleep deprivation was rated(More)
Twenty male naval volunteers, aged 18 to 20 years, with 12 to 14 years of education, underwent a total sleep deprivation experiment on board a Republic of Singapore Navy landing ship in the South China Sea for a period of 42-102 hours. The sleep group comprised eight volunteers who dropped out at the 44th-46th h of the experiment and were randomly assigned(More)
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