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首页> 外文期刊>Southern African Journal of Critical Care >The accuracy of the FAST stroke assessment in identifying stroke at initial ambulance call into a South African private emergency call centre
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The accuracy of the FAST stroke assessment in identifying stroke at initial ambulance call into a South African private emergency call centre

机译：快速冲程评估的准确性在初始救护车呼叫识别中风进入南非私人紧急呼叫中心

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BACKGROUND: Stroke is a potentially life-threatening, time-dependent event, and one of the leading causes of mortality and lasting morbidity in South Africa (SA). It is of vital importance that Emergency Medical Services (EMS) call-takers accurately recognise stroke symptoms and prioritise time as well as adequate care. EMS call-takers are the first link in stroke care and improving call-taker recognition of stroke signs and symptoms can drastically improve patient outcome. The Newcastle Face Arm Speech Time (FAST) test is a mnemonic aimed at improving diagnostic accuracy of strokeOBJECTIVE: To assess the use of the FAST test at a call-taker level to raise early suspicion of stroke and appropriately allocate resources to increase awareness of time and decrease delays on sceneMETHODS: A retrospective diagnostic study to determine the accuracy of the FAST mnemonic at identifying stroke when applied at EMS call-taker level. The outcome of the FAST assessment was compared with EMS stroke diagnosis for cases of a private SA EMS over a three-month period (N=146RESULTS: Using FAST, call-takers were able to identify stroke with a sensitivity of 87.5% and a specificity of 17.4% (positive predictive value 34%, negative predictive value 74%). This yielded an overall accuracy of 40.41%CONCLUSION: FAST is a useful screening tool for identifying stroke at call-taker level. FAST has acceptable sensitivity when used as a screening tool; however, specificity and diagnostic effectiveness are lacking. Further studies should be considered to determine call-taker as well as general public knowledge of stroke risk factors and presentation.
机译：背景：中风是一个潜在的生命危及生命，时间依赖的事件，以及南非死亡率和持久发病率的主要原因之一（SA）。紧急医疗服务（EMS）呼叫者准确识别中风症状和优先考虑时间以及充分的护理是至关重要的。 EMS呼叫者是中风护理的第一个链接，提高呼叫者识别卒中症状和症状会大大改善患者的结果。纽卡斯尔脸部臂语音时间（快速）测试是旨在提高行程模糊的诊断准确性的助记症：评估在呼叫者水平的快速测试的使用，提高冲程的早期怀疑，并适当地分配资源以提高时间的认识并降低风景仪的延迟：一种回顾性诊断研究，以确定在EMS呼叫级别施用时识别行程的快速助记符的准确性。在三个月内与私人SA EMS案件进行快速评估的结果（n = 146Results：使用快速，呼叫者能够识别患有87.5％的敏感性和特异性17.4％（阳性预测值34％，负预测值74％）。这产生了40.41％的总体准确性：FAST是用于识别呼叫者水平的中风的有用筛选工具。当用作时，快速具有可接受的敏感性筛选工具;然而，缺乏特异性和诊断效果。应考虑进一步的研究，以确定呼叫者以及卒中风险因素和介绍的一般公众知识。

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