diagnostic reasoning

诊断推理
  • 文章类型: Journal Article
    目的:探讨和描述急性护理护士在现实世界临床环境中识别和应对患者临床状态改善的决定。
    方法:描述性研究。
    方法:在护患互动过程中,分别观察了澳大利亚一家大型大都市医院的9名内科护士和11名外科护士,并在访谈中进行了随访,以描述他们在观察到的决策背后的推理和临床判断。对观察和访谈的口头描述进行记录和转录。使用自反性主题分析来分析数据。
    结果:根据数据构建的三个主题如下:护士登记;护士对改善做出判断;护士决定最好的人做出回应。急性护理护士根据与临床状态改善相关的预测安全风险做出有针对性的评估决策。使用主观和客观线索来评估和判断患者的改善。急性护理护士对患者安全的判断和促进以患者为中心的护理的愿望指导他们选择合适的人来管理改进。
    结论:这项研究的结果表明,经证实的急性护理护士应对病情恶化的决策的安全性益处延伸到患者临床状态的改善。为了改进,急性护理护士的决定保护患者免受伤害,促进康复。
    结论:对改善的早期认识和反应使急性护理护士能够保护患者免受不必要治疗的风险并促进康复。
    结论:这项研究使明确的护士在识别和应对患者临床状态的改善方面发挥了重要的安全作用。医疗保健政策和教育必须反映对恶化和改善的评估和管理的同等重要性,以确保患者得到保护并获得安全护理。
    OBJECTIVE: To explore and describe acute care nurses\' decisions to recognise and respond to improvement in patients\' clinical states as they occurred in the real-world clinical environment.
    METHODS: A descriptive study.
    METHODS: Nine medical and eleven surgical nurses in a large Australian metropolitan hospital were individually observed during nurse-patient interactions and followed up in interview to describe their reasoning and clinical judgements behind observed decisions. Verbal description of observations and interviews were recorded and transcribed. Reflexive thematic analysis was used to analyse the data.
    RESULTS: The three themes constructed from the data were as follows: nurses checking in; nurses reaching judgements about improvements; and nurses deciding on the best person to respond. Acute care nurses made targeted assessment decisions based on predicted safety risks related to improvement in clinical states. Subjective and objective cues were used to assess for and make judgements about patient improvement. Acute care nurses\' judgment of patient safety and a desire to promote patient centred care guided their decisions to select the appropriate person to manage improvement.
    CONCLUSIONS: The outcomes of this research have demonstrated that the proven safety benefits of acute care nurses\' decision making in response to deterioration extend to improvement in patients\' clinical states. In response to improvement, acute care nurses\' decisions protect patients from harm and promote recovery.
    CONCLUSIONS: Early recognition and response to improvement enable acute care nurses to protect patients from risks of unnecessary treatment and promote recovery.
    CONCLUSIONS: This study makes explicit nurses\' essential safety role in recognising and responding to improvement in patients\' clinical states. Healthcare policy and education must reflect the equal importance of assessment for and management of deterioration and improvement to ensure patients are protected and provided with safe care.
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  • 文章类型: Journal Article
    肿瘤学访谈的视频记录揭示了医生如何依靠担心来建立医疗专业知识,促进治疗决策,并构建担忧参数,以帮助患者了解是否有合理的担忧需求。医生在肿瘤学访谈中与癌症患者一样频繁地表达担忧,但是他们面临着一个两难境地:如何在不直接说明他们担心的情况下为癌症患者提供护理?为为什么医生不陈述个人担忧提供了合理的解释。对话分析方法被用来确定医生如何依靠担忧来实现不同的社会行动。检查了四种担忧表述:(1)“我们担忧”的变化(有时,非特定和第二个人“你”),(2)假设的担忧情景,(3)解除担忧并提供保证,和(4)医生声称他们不担心,困扰,或惊慌。医生与他们所代表的专业人员和机构保持一致并为之发言,表达集体担忧,并声称有合法的担忧(或不担心)的权利。医生也避免放弃病人自己的决策,然而,不要制定担忧来强迫尊重或指示患者的选择。在所有情况下,患者都同意并对医生担心的配方表现出最小的抵抗力。这些发现有助于跨机构环境的持续工作,在这些机构环境中,参与者被证明能够构建目标,合理的主张值得对各种问题的担忧。正在进行工作,以检查患者何时以及如何明确提出和医生对癌症的担忧做出反应。关于医生如何利用担忧来使最佳治疗方案合法化的临床意义被提出,帮助患者减少他们的担忧,依靠假设的情景,允许患者比较其他患者如何管理他们的癌症,不要忽视将担忧作为提供保证的资源的重要性。
    Video recordings of oncology interviews reveal how doctors rely on worry to establish medical expertise, facilitate treatment decision-making, and construct worry parameters to help patients understand whether there is a reasonable need for worry or not. Doctors express worry as frequently as cancer patients during oncology interviews, but they face a dilemma: how to provide care for cancer patients without directly stating they are worried about them? Plausible explanations are offered for why doctors do not state personal worries. Conversation analytic methods were employed to identify how doctors rely on worry to achieve distinct social actions. Four worry formulations are examined: (1) variations of \"we worry\" (and at times, non-specific and second person \"you\"), (2) hypothetical worry scenarios, (3) dismissing worry and offering assurance, and (4) doctors claiming they are not worried, bothered, or alarmed. Doctors align with and speak for the professionals and institutions they represent, expressing collective worries and claiming the legitimate right to worry (or not). Doctors also avoid abandoning patients to their own decision-making, yet do not formulate worry to coerce deference or dictate patients\' choices. In all cases patients agreed and displayed minimal resistance to doctors\' worry formulations. These findings contribute to ongoing work across institutional settings where participants have been shown to construct objective, legitimate claims meriting worries about diverse problems. Work is underway to examine when and how patients explicitly raise and doctors respond to cancer worries. Clinical implications are raised for how doctors can use worry to legitimize best treatment options, help patients minimize their worries, rely on hypothetical scenarios allowing patients to compare how other patients managed their cancer, and not dismiss the importance of minimizing the need to worry as a resource for offering reassurance.
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  • 文章类型: Case Reports
    脊髓压迫的慢性脑脊液漏可以模仿ALS的症状,MRI上有蛇眼.
    Chronic cerebrospinal fluid leak with spinal cord compression can mimic the symptoms of ALS, with a snake-eyes appearance on MRI.
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  • 文章类型: Journal Article
    考虑到学生积极参与以加强学习过程的需要,医学教育工作者采用了许多教学方法,使他们的会议具有互动性。其中之一是使用严肃的游戏,其中数字应用程序用于实现预期的学习目标。可以设计各种严肃的游戏来针对医疗保健培训中的不同领域,它为学生提供了一个全面和引人入胜的方法来获取知识和发展技能。由于医学教育的广泛领域和领域,我们可以使用严肃的游戏,他们的利益是巨大的。将严肃的游戏成功引入医学课程取决于几个因素,我们必须采用系统的方法来优化收益。总之,在医学教育中引入严肃的游戏可以帮助医学生掌握成功临床实践所需的多种技能,从而使他们受益。承认医学教育中不断变化的景观,教师和管理人员非常需要探索将这些游戏整合到医学院的可能性。
    Medical educators have adopted a number of teaching-learning methodologies to make their sessions interactive considering the need for active engagement of students to strengthen the process of learning. One among them is the use of serious games, wherein digital applications are used to enable the attainment of the intended learning objectives. A wide range of serious games can be designed to target different areas in healthcare training, which cumulatively provide a holistic and engaging approach for students to acquire knowledge and develop skills. Owing to the extensive areas and domains in medical education wherein we can use serious games, the benefits attributed to them are immense. The successful introduction of serious games into the medical curriculum depends on several factors and we must adopt a systematic approach to optimize the benefits. In conclusion, the introduction of serious games into medical education can benefit medical students by helping them master multiple skills required for successful clinical practice. Acknowledging the changing landscapes in medical education, there is an immense need that teachers and administrators to explore the possibility of integrating these games into medical schools.
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  • 文章类型: Journal Article
    诊断错误在重症监护实践中很普遍,并且与患者的伤害以及提供者和医疗保健系统的成本有关。患者复杂性,疾病严重程度,以及启动适当治疗的紧迫性都会导致决策错误。临床医生相关因素,如疲劳,认知过载,缺乏经验进一步干扰有效决策。认知科学提供了对临床决策过程的见解,可用于减少错误。这项基于证据的审查讨论了有关重症监护决策的十个常见误解。通过了解从业者如何做出临床决策并检查错误是如何发生的,可以制定和实施策略以减少决策错误并改善患者预后。
    Diagnostic errors are prevalent in critical care practice and are associated with patient harm and costs for providers and the healthcare system. Patient complexity, illness severity, and the urgency in initiating proper treatment all contribute to decision-making errors. Clinician-related factors such as fatigue, cognitive overload, and inexperience further interfere with effective decision-making. Cognitive science has provided insight into the clinical decision-making process that can be used to reduce error. This evidence-based review discusses ten common misconceptions regarding critical care decision-making. By understanding how practitioners make clinical decisions and examining how errors occur, strategies may be developed and implemented to decrease errors in Decision-making and improve patient outcomes.
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  • 文章类型: Journal Article
    背景:关于诊断推理的研究已经进行了五十年或更长时间。越来越多的共识是,人类诊断推理涉及两个不同的过程:系统1,快速检索可能的诊断假设,很大程度上是自动的,很大程度上基于经验知识,和系统2,较慢的,分析,有意识地应用形式知识来得出诊断结论。然而,在这个广泛的框架内,争议和分歧比比皆是。特别是,许多作者认为,诊断错误的根本原因是源于系统1的认知偏差,并提出教育学习者了解认知偏差的类型及其对诊断的影响将对减少错误产生重大影响。
    目的:在本文中,我们对这些说法持怀疑态度。
    方法:我们回顾了文献,以检查该理论模型在多大程度上得到证据的支持。
    结果:我们表明,来自人类认知基础研究和临床医学研究的证据对这一理论的基本假设提出了挑战,即由于认知偏差,系统1处理中出现错误,并被缓慢地纠正,审议性分析处理。我们声称,相反,错误来自系统1和系统2的推理,它们是由于缺乏适当的知识而产生的,不是由于处理错误,这两个过程对诊断推理过程并不重要。
    结论:由于检索到的知识的性质,可以更好地理解两种处理模式,而不是独立的进程。
    BACKGROUND: Research on diagnostic reasoning has been conducted for fifty years or more. There is growing consensus that there are two distinct processes involved in human diagnostic reasoning: System 1, a rapid retrieval of possible diagnostic hypotheses, largely automatic and based to a large part on experiential knowledge, and System 2, a slower, analytical, conscious application of formal knowledge to arrive at a diagnostic conclusion. However, within this broad framework, controversy and disagreement abound. In particular, many authors have suggested that the root cause of diagnostic errors is cognitive biases originating in System 1 and propose that educating learners about the types of cognitive biases and their impact on diagnosis would have a major influence on error reduction.
    OBJECTIVE: In the present paper, we take issue with these claims.
    METHODS: We reviewed the literature to examine the extent to which this theoretical model is supported by the evidence.
    RESULTS: We show that evidence derived from fundamental research in human cognition and studies in clinical medicine challenges the basic assumptions of this theory-that errors arise in System 1 processing as a consequence of cognitive biases, and are corrected by slow, deliberative analytical processing. We claim that, to the contrary, errors derive from both System 1 and System 2 reasoning, that they arise from lack of access to the appropriate knowledge, not from errors of processing, and that the two processes are not essential to the process of diagnostic reasoning.
    CONCLUSIONS: The two processing modes are better understood as a consequence of the nature of the knowledge retrieved, not as independent processes.
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  • 文章类型: Journal Article
    目的:牙科X光片的解读是一个困难的过程,特别是对于没有经验的学生。这项研究为牙科学生引入了概念图,以帮助对常见颌骨病变进行影像学解释。我们旨在分析概念图(CM)在射线照相解释中的功效,讨论了诊断推理困境。
    方法:这项研究包括39名牙科学生。经过1小时的CM指导课程,并基于三个小组讨论和一对一的反馈,学生完成并提交了三种颌骨疾病的CM(成釉细胞瘤,牙源性角化囊肿,和简单的骨囊肿)。所有参与者都接受了知识和诊断的前测和后测;除一名学生外,所有学生都完成了关于CM使用的开放式问卷。
    结果:概念图有效地提高了诊断准确性。在知识测试和诊断测试中,参与者的测试后得分均优于他们的测试前得分。大多数学生尝试通过分析推理进行射线照相解释。学生绘制CM所需的时间从3-5小时到1-3天不等。
    结论:这项研究表明,CM可以通过提供分析推理的框架来提高牙科学生的影像学诊断能力。有必要进行持续的研究,以提高CM在牙科学生课堂上的口腔影像学解释中的有效性。
    OBJECTIVE: Interpretation of dental radiographs is a difficult process, particularly for inexperienced students. This study introduced concept mapping for dental students to help in the radiographic interpretation of common jaw lesions. We aimed to analyze the efficacy of the concept map (CM) in radiographic interpretation, with a discussion of the diagnostic reasoning dilemma.
    METHODS: This study included 39 dental students. After a 1-h class for CM guidance and based on three group discussions and one-on-one feedback, the students completed and submitted CMs for three jaw diseases (ameloblastoma, odontogenic keratocyst, and simple bone cyst). All participants underwent a pretest and posttest of knowledge and diagnosis; all students but one completed an open-ended questionnaire regarding the use of CMs.
    RESULTS: Concept mapping effectively improved diagnostic accuracy. The participants\' posttest scores were better than their pretest scores in both knowledge and diagnostic tests. Most of the students attempted radiographic interpretation through analytic reasoning. The time required for the students to draw a CM varied from student to student from 3-5 h to 1-3 days.
    CONCLUSIONS: This study shows that CMs can improve the radiographic diagnostic ability of dental students by providing a framework for analytic reasoning. Continuous research is warranted to improve the effectiveness of CM in oral radiographic interpretation in the dental student\'s class.
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  • 文章类型: Journal Article
    管理推理是临床推理的一个独特子集。我们试图探索在设计管理推理评估时要考虑的功能。
    这是一项混合的实证研究,叙事回顾,和专家视角。在2021年,我们回顾并讨论了10个模拟(分阶段)医患相遇的视频,积极寻求能够为管理推理评估提供见解的行动。我们结合临床推理评估的文献分析了我们自己的观察结果,使用恒定的比较定性方法。
    将影响其评估的管理推理的区别特征包括管理脚本,共同决策,过程知识,特定疾病知识,和定制的接触和管理计划。值得特别考虑的性能领域包括沟通,整合患者偏好,坚持管理脚本,和预测。遇到变化的其他方面包括临床问题,临床和非临床患者特征(包括偏好,值,和资源),团队/系统特征,遇到特征。我们对几种相关的评估方法进行了分类,包括书面/基于计算机的评估方法,基于模拟,和基于工作场所的模式,和各种新颖的响应格式。
    可以通过关注性能领域来改进管理推理的评估,变化的方面,以及本文确定的各种方法。
    UNASSIGNED: Management reasoning is a distinct subset of clinical reasoning. We sought to explore features to be considered when designing assessments of management reasoning.
    UNASSIGNED: This is a hybrid empirical research study, narrative review, and expert perspective. In 2021, we reviewed and discussed 10 videos of simulated (staged) physician-patient encounters, actively seeking actions that offered insights into assessment of management reasoning. We analyzed our own observations in conjunction with literature on clinical reasoning assessment, using a constant comparative qualitative approach.
    UNASSIGNED: Distinguishing features of management reasoning that will influence its assessment include management scripts, shared decision-making, process knowledge, illness-specific knowledge, and tailoring of the encounter and management plan. Performance domains that merit special consideration include communication, integration of patient preferences, adherence to the management script, and prognostication. Additional facets of encounter variation include the clinical problem, clinical and nonclinical patient characteristics (including preferences, values, and resources), team/system characteristics, and encounter features. We cataloged several relevant assessment approaches including written/computer-based, simulation-based, and workplace-based modalities, and a variety of novel response formats.
    UNASSIGNED: Assessment of management reasoning could be improved with attention to the performance domains, facets of variation, and variety of approaches herein identified.
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  • 文章类型: Journal Article
    许多研究表明,我们的医疗保健系统和医学教育计划从根本上存在缺陷。在北美和欧洲,大多数系统都建立在价值观和结构之上,这些价值观和结构在历史上使全球北部的欧洲血统的中产阶级和上层阶级男性受益。因此,在我们的医疗保健系统和医学教育计划中,仍然存在普遍存在的系统性偏见。这导致了健康结果和临床推理实践的不平等,使几个社区边缘化。随着我们继续以传统价值观和证据观点领导医学教育研究和实践,这些偏见得以延续。为了解决这些问题,我们提出了一个“翻转”会议,其中三个跨学科的写作团队,由初级和高级学者组成,临床医生,和研究人员,被邀请重新思考临床推理的基础。在会议前的几个月里,每个写作团队都探讨了与临床推理和种族平等相关的特定主题.文件,在虚拟会议期间提出的,现在可以在本期《临床实践评估杂志》上获得。此外,该专题又增加了6种出版物,以展示建立在三篇核心论文建议基础上的新证据和理论。
    Numerous studies have demonstrated that our healthcare systems and medical education programs are fundamentally flawed. In North America and Europe, most systems were built upon values and structures that have historically benefitted middle and upper class males of European descent in the global north. As a result, there continue to be systemic biases that are pervasive throughout our healthcare systems and medical education programs. This has led to inequities in health outcomes and clinical reasoning practices which marginalize several communities. These biases are perpetuated as we continue to lead medical education research and practice with traditional values and views of evidence. To address these issues, we proposed a \'flipped\' conference in which three interdisciplinary writing teams, comprised of both junior and senior academics, clinicians, and researchers, were invited to rethink the foundations of clinical reasoning. In the months leading up to the conference, each writing team explored a specific topic related to clinical reasoning and racial equity. The papers, presented during the virtual conference are now available in this issue of the Journal for the Evaluation of Clinical Practice. In addition, 6 more publications were added to this special topic to showcase new evidence and theory that builds on the recommendations in the three core papers.
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  • 文章类型: Case Reports
    呼吸困难可以被发现是多种疾病的症状。临床思维通常会导致我们更常见或频繁的综合征和疾病。此病例报告提醒我们在面临治疗失败或新症状出现时继续调查。在这种情况下,受试者具有作为其疾病的初始表现的呼吸困难,并且最初作为心脏功能障碍的情况进行治疗。然而,因为他的症状对治疗没有反应,甚至恶化了,他被送到急诊室,在那里他接受了药物治疗,并以相同的诊断假设出院。鉴于一种新的特征性症状——下垂——医院团队将其临床和实验室研究扩展到神经肌肉疾病,诊断为重症肌无力.
    Dyspnea can be found as a symptom of a wide range of diseases. Clinical thinking usually leads us to more common or frequent syndromes and diseases. This case report alerts us to keep investigating when faced with therapeutic failure or the arising of new symptoms. The subject in this case had dyspnea as an initial presentation of his disease and was treated initially as a case of heart dysfunction. Nevertheless, because his symptoms did not respond to the treatment and even got worse, he was sent to the emergency room where he was medicated and discharged with the same diagnostic hypothesis. In light of a new characteristic symptom - ptosis - the hospital team expanded its clinical and laboratory investigation to neuromuscular diseases, reaching out the diagnosis of myasthenia gravis.
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