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BACKGROUND: There is a high rate of surgical fixation of displaced Colles' type distal radial wrist fractures despite fracture manipulation in the ED. Point-of-care ultrasound has been used to guide ED manipulations but its effect on the quality of fracture reduction or subsequent need for surgical fixation is unknown. This study aims to assess the feasibility of conducting a definitive randomised controlled trial to assess the use of ultrasound to guide these fracture manipulations. METHODS: We conducted a pragmatic randomised controlled feasibility trial in two EDs in England over a 6-month period (7 October 2019 to 6 April 2020). Adult patients with wrist fractures undergoing manipulation in the ED were randomised 1:1 to ultrasound-guided distal radial fracture manipulation or manipulation with sham ultrasound. The primary outcome for this study was trial recruitment rate. Other measures were recorded to assess potential future definitive trial outcomes and feasibility. RESULTS: Of 120 patients meeting inclusion criteria, 48 (40%) were recruited and randomised in the two centres, giving overall recruitment rates of 0.3 and 1.8 participants per week at each site, respectively, and 1 participant per week overall. The most common reason that patients were not included was research staff availability. After 6 weeks, six patients in each group (26% intervention, 24% control) had undergone surgical fixation, with 98% data completeness for this potential definitive trial primary outcome. Randomisation, blinding and data collection processes were effective but there were data limitations in the X-ray assessment of fracture positions. CONCLUSION: A definitive study of a similar design would be feasible within UK ED practice but organisational factors and research staff availability should be considered when estimating the predicted recruitment rate and required sites. 6-week surgical fixation rate was the most reliable outcome measure. TRIAL REGISTRATION: ClinicalTrials.gov (NCT03868696).
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Fractura de Colles , Fracturas de la Muñeca , Adulto , Humanos , Estudios de Factibilidad , Fractura de Colles/diagnóstico por imagen , Fractura de Colles/cirugía , Fijación de Fractura , RadiografíaRESUMEN
INTRODUCTION: Patients with episodes of supraventricular tachycardia (SVT), a common heart arrhythmia, are often attended by ambulance services. International guidelines advocate treatment with the Valsalva manoeuvre (VM), but this simple physical treatment has a low success rate, with most patients requiring conveyance to hospital. The Valsalva Assist Device (VAD) is a simple device that might help practitioners and patients perform a more effective VM and reduce the need for patients to be taken to hospital. METHODS AND ANALYSIS: This stepped wedge cluster randomised controlled trial, conducted within a UK ambulance service, compares the current standard VM with a VAD-delivered VM in stable adult patients presenting to the ambulance service with SVT. The primary outcome is conveyance to hospital; secondary outcomes measures include cardioversion rates, duration of ambulance care and number of subsequent episodes of SVT requiring ambulance service care. We plan to recruit approximately 800 patients, to have 90% power to detect an absolute reduction in conveyance rate of 10% (from 90% to 80%) between the standard VM (control) and VAD-delivered VM (intervention). Such a reduction in conveyance would benefit patients, the ambulance service and receiving emergency departments. It is estimated potential savings would pay for devices for the entire ambulance trust within 7 months. ETHICS AND DISSEMINATION: The study has been approved by the Oxford Research Ethics Committee (reference 22/SC/0032). Dissemination will be through peer-reviewed journal publication, presentation at national and international conferences and by the Arrhythmia Alliance, a patient support charity. TRIAL REGISTRATION NUMBER: ISRCTN16145266.
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Taquicardia Supraventricular , Adulto , Humanos , Taquicardia Supraventricular/terapia , Tratamiento de Urgencia , Ambulancias , Servicio de Urgencia en Hospital , Hospitales , Ensayos Clínicos Controlados Aleatorios como AsuntoRESUMEN
OBJECTIVE: To conduct a systematic review of the clinical literature to determine whether ultrasound can be used to improve the reduction of distal radius fractures in adults in the ED. METHODOLOGY: A study protocol was registered on PROSPERO. EMBASE, PubMed/MEDLINE, the Cochrane Central Register of Controlled Trials and ClinicalTrials.gov of the US National Library of Medicine were searched for studies evaluating ultrasound-assisted distal radial fracture reductions in comparison with standard care. The primary outcome of interest was manipulation success rates, defined as the proportion of fracture manipulations resulting in acceptable anatomical alignment, with secondary outcome being subsequent surgical intervention rates in ultrasound and standard care group of patients. RESULTS: 248 were screened at title and abstract, and 10 studies were included for a narrative synthesis. The quality of this evidence is limited but suggests ultrasound is accurate in determining distal radius fracture reduction and may improve the quality of reduction compared with standard care. However, there is insufficient evidence to determine whether this affects the rate of subsequent surgical intervention or functional outcome. CONCLUSION: There is a lack of evidence that using ultrasound in the closed reduction of distal radius fractures benefits patients. Properly conducted randomised controlled trials with patient-orientated outcomes are crucial to investigate this technology.
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Fracturas del Radio/diagnóstico por imagen , Fracturas del Radio/terapia , Ultrasonografía Intervencional/tendencias , Reducción Cerrada/métodos , Humanos , Ultrasonografía Intervencional/instrumentación , Ultrasonografía Intervencional/métodosRESUMEN
STUDY OBJECTIVE: Epistaxis is a common emergency department (ED) presentation and, if simple first aid measures fail, can lead to a need for anterior nasal packing. Tranexamic acid is an agent that contributes to blood clot stability. The aim of this study is to investigate the effectiveness of topical intranasal tranexamic acid in adult patients presenting to the ED with persistent epistaxis, and whether it reduces the need for anterior nasal packing. METHODS: From May 5, 2017, to March 31, 2019, a double-blind, placebo-controlled, multicenter, 1:1, randomized controlled trial was conducted across 26 EDs in the United Kingdom. Participants with spontaneous epistaxis, persisting after simple first aid and the application of a topical vasoconstrictor, were randomly allocated to receive topical tranexamic acid or placebo. The primary outcome was the need for anterior nasal packing of any kind during the index ED attendance. Secondary outcome measures included hospital admission, need for blood transfusion, recurrent epistaxis, and any thrombotic events requiring any hospital reattendance within 1 week. RESULTS: The study sample consisted of 496 participants with spontaneous epistaxis, persisting after simple first aid and application of a topical vasoconstrictor. In total, 211 participants (42.5%) received anterior nasal packing during the index ED attendance, including 111 of 254 (43.7%) in the tranexamic acid group versus 100 of 242 (41.3%) in the placebo group. The difference was not statistically significant (odds ratio 1.107; 95% confidence interval 0.769 to 1.594; P=.59). Furthermore, there were no statistically significant differences between tranexamic acid and placebo for any of the secondary outcome measures. CONCLUSION: In patients presenting to an ED with atraumatic epistaxis that is uncontrolled with simple first aid measures, topical tranexamic acid applied in the bleeding nostril on a cotton wool dental roll is no more effective than placebo at controlling bleeding and reducing the need for anterior nasal packing.
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Antifibrinolíticos/uso terapéutico , Epistaxis/tratamiento farmacológico , Ácido Tranexámico/uso terapéutico , Administración Intranasal , Anciano , Vendajes , Método Doble Ciego , Servicio de Urgencia en Hospital , Femenino , Humanos , Masculino , Reino UnidoRESUMEN
Fractures of the wrist are common in Emergency Departments, where some patients are treated with a procedure called Manipulation under Anaesthesia. In some cases, this procedure is unsuccessful and patients need to revisit the hospital where they undergo surgery to treat the fracture. This work describes a geometric semi-automatic image analysis algorithm to analyse and compare the x-rays of healthy controls and patients with dorsally displaced wrist fractures (Colles' fractures) who were treated with Manipulation under Anaesthesia. A series of 161 posterior-anterior radiographs from healthy controls and patients with Colles' fractures were acquired and analysed. The patients' group was further subdivided according to the outcome of the procedure (successful/unsuccessful) and pre- or post-intervention creating five groups in total (healthy, pre-successful, pre-unsuccessful, post-successful, post-unsuccessful). The semi-automatic analysis consisted of manual location of three landmarks (finger, lunate and radial styloid) and automatic processing to generate 32 geometric and texture measurements, which may be related to conditions such as osteoporosis and swelling of the wrist. Statistical differences were found between patients and controls, as well as between pre- and post-intervention, but not between the procedures. The most distinct measurements were those of texture. Although the study includes a relatively low number of cases and measurements, the statistical differences are encouraging.
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Fractura de Colles/diagnóstico por imagen , Fractura de Colles/terapia , Interpretación de Imagen Radiográfica Asistida por Computador/métodos , Adulto , Anciano , Anciano de 80 o más Años , Estudios de Casos y Controles , Femenino , Humanos , Masculino , Manipulación Ortopédica , Persona de Mediana Edad , Radiografía , Resultado del TratamientoRESUMEN
BACKGROUND: Colles' type fractures of the distal radius are one of the most commonly manipulated fractures in the ED. Local audit data suggest that a high proportion of these injuries undergo subsequent surgical fixation. If widespread, this could represent a potential burden on patients and the NHS worthy of further research. The aims of this study were to estimate the rate of surgical fixation of Colles' type distal radial fractures after ED fracture manipulation and explore variations in their management in UK EDs. METHODS: We conducted a multicentre observational study in 16 EDs in the UK from 4 February 2019 to 31 March 2019. All adult patients with a Colles' fracture who underwent fracture manipulation in the ED were included. Patients who could not be followed up and those with volar displaced fractures were excluded. We measured the rate of wrist fracture surgery at 6 weeks, patient demographics and variations in anaesthetic technique used. RESULTS: During the study period, 328 adult patients attended the participating EDs with a distal radial fracture. Of these, 83 patients underwent fracture manipulation in the ED and were eligible for the study. Their mean age (SD) was 65.3 (17.0) years, 84.3% were female and the most common method of anaesthesia used was haematoma block (38.6%). 34 (41.0%, 95 % CI 30.3 to 52.3) patients had subsequent surgical fixation of their fracture. Younger age was associated with higher rates of surgical fixation but ED anaesthetic technique did not affect the subsequent need for surgery in this sample. CONCLUSION: Subsequent surgical fixation was carried out in 41% of patients who underwent manipulation of Colles' type wrist fractures in this cohort. This merits further research and represents a potential target to rationalise repeat procedures.
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Fractura de Colles/terapia , Servicio de Urgencia en Hospital , Fijación de Fractura/métodos , Anciano , Fractura de Colles/epidemiología , Femenino , Humanos , Masculino , Persona de Mediana Edad , Reino Unido/epidemiologíaRESUMEN
BACKGROUND: The valsalva manoeuvre is an internationally recommended initial treatment for supraventricular tachycardia (SVT). The pre-hospital use of a valsalva assist device, to help deliver this manoeuvre, could improve cardioversion rates and reduce the need for patients to attend hospital. METHODS: We conducted a randomised controlled feasibility trial comparing ambulance clinician use of a valsalva assist device versus standard care to treat adult patients presenting to an ambulance service in the south west of England. Eligible consenting participants were randomised 1:1 to device or standard care with trial procedures mirroring a proposed definitive trial.Feasibility was assessed upon ambulance clinician and participant recruitment rates and feedback, data completeness and potential future primary outcome rates. RESULTS: Over a 6 months period (1 July to 31 December 2018), 276 (23%) of 1183 eligible ambulance clinicians were trained and they recruited 34 participants; approximately 10% of patients presenting with suspected SVT during that time. Seventeen participants were randomised to each arm and all underwent their allocated valsalva strain method. All trial data and 63/68 (93%) of pre and post-valsalva ECGs were available. Seven (21%) participants had ineligible initial rhythms on retrospective expert ECG review. Valsalva assist device use was associated with cardioversion and non-conveyance in 4 (24%) and 2 (12%) participants respectively. No participants assigned to standard care were cardioverted and all were conveyed. Participant feedback highlighted the challenges of retaining trial information during an SVT attack. CONCLUSIONS: The trial achieved efficient clinician training, randomisation and data collection, and there was an encouraging effect signal associated with device use. However, trial design changes should be considered to address the relatively small proportion of eligible patients recruited and challenges identified with consent and confirmation of cardioversion as a primary outcome. TRIAL REGISTRATION: The trial was registered with ClinicalTrials.gov (NCT03514628) on 2 May 2018.
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INTRODUCTION: Patients presenting to emergency departments (EDs) with epistaxis uncontrolled by subsequent simple first aid measures or application of topical vasoconstrictors will typically undergo anterior nasal packing. Packing is effective, but can be extremely painful and unpleasant and patients usually need hospital admission. Tranexamic acid (TXA) is a cheap, safe, readily available antifibrinolytic agent known to be beneficial in a variety of clinical settings where uncontrolled bleeding may be a problem. Anecdotal evidence suggests that topical TXA may be of value in persistent epistaxis; however, further evaluation is required. METHODS AND ANALYSIS: This is a multicentre, double-blind, parallel group, randomised, controlled trial comparing the use of topical intranasal TXA with indistinguishable placebo in adults presenting to UK EDs with persistent atraumatic epistaxis. Follow-up is at 1 week by structured telephone review. The primary outcome measure is the subsequent need for anterior nasal packing in the ED. Key secondary outcomes include the need for hospital admission, blood transfusion and/or further treatment for epistaxis during the index ED attendance. Recruiting 450 patients will provide 90% power to demonstrate an absolute reduction in packing rate from 95% to 85%. An improvement of this magnitude would be of significant benefit to patients and healthcare providers and justify a change to standard practice. Given the low cost of TXA and its short administration time, a full economic evaluation is not being undertaken. ETHICS AND DISSEMINATION: The study has been approved by the South West-Bristol Research Ethics Committee (reference 17/SW/0010). We aim to publish the findings in a high impact, international peer-reviewed journal. Results will also be shared with the Hereditary Haemorrhagic Telangiectasia foundation and telangiectasia UK for dissemination through appropriate related forums. TRIAL REGISTRATION NUMBER: ISRCTN34153772 and EudraCT No: 2016-001530-10.
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Antifibrinolíticos/administración & dosificación , Servicio de Urgencia en Hospital , Epistaxis/tratamiento farmacológico , Ácido Tranexámico/administración & dosificación , Administración Intranasal , Administración Tópica , Método Doble Ciego , Endotaponamiento/métodos , Humanos , Estudios Multicéntricos como Asunto , Ensayos Clínicos Controlados Aleatorios como Asunto , Resultado del TratamientoRESUMEN
OBJECTIVES: The rapid turnaround time of point-of-care (POC) cardiac troponin (cTn) assays is highly attractive for crowded emergency departments (EDs). We evaluated the diagnostic accuracy of the Troponin-only Manchester Acute Coronary Syndromes (T-MACS) decision aid with a POC cTn assay. METHODS: In a prospective diagnostic accuracy study at eight EDs, we included patients with suspected acute coronary syndromes (ACS). Blood drawn on arrival and 3 hours later was analysed for POC cTnI (i-Stat, Abbott Point of Care). The primary outcome was a diagnosis of ACS, which included both an adjudicated diagnosis of acute myocardial infarction (AMI) based on serial laboratory cTn testing and major adverse cardiac events (death, AMI or coronary revascularisation) within 30 days. RESULTS: Of 716 patients included, 105 (14.7%) had ACS. Using serial POC cTnI concentrations over 3 hours could have 'ruled out' ACS in 198 (31.2%) patients with a sensitivity of 99.0% (95% CI 94.4% to 100.0%) and negative predictive value 99.5% (95% CI 96.5% to 99.9%). No AMIs were missed. T-MACS 'ruled in' ACS for 65 (10.4%) patients with a positive predictive value of 91.2% (95% CI 82.1% to 95.9%) and specificity 98.9% (97.6% to 99.6%). CONCLUSION: With a POC cTnI assay, T-MACS could 'rule out' ACS for approximately one-third of patients within 3 hours while 'ruling in' ACS for another 10%. The rapid turnaround time and portability of the POC assay make this an attractive pathway for use in crowded EDs or urgent care centres. Future work should also evaluate use in the prehospital environment.
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Síndrome Coronario Agudo/diagnóstico , Técnicas de Apoyo para la Decisión , Pruebas en el Punto de Atención , Troponina I/sangre , Síndrome Coronario Agudo/sangre , Adulto , Anciano , Anciano de 80 o más Años , Biomarcadores/sangre , Servicio de Urgencia en Hospital , Inglaterra , Femenino , Humanos , Masculino , Persona de Mediana Edad , Valor Predictivo de las Pruebas , Estudios Prospectivos , Reproducibilidad de los Resultados , Medición de Riesgo , Factores de Riesgo , Factores de Tiempo , Regulación hacia Arriba , Flujo de TrabajoRESUMEN
A boy aged 7 years presented with his parents to the emergency department (ED). He had a known diagnosis of paroxysmal supraventricular tachycardia (SVT) and was under the care of paediatricians. He had been suffering episodes of palpitations and chest pain for over a year and had been prescribed atenolol 25â mg ON, though the side effects meant he had not taken it for a month prior to presentation. He had 2 previous confirmed episodes of SVT, one that reverted with Valsalva manoeuvres, and the other with intravenous adenosine. In the ED, an ECG was recorded showing SVT at 180â bpm. Aside from his tachycardia, he was haemodynamically stable. The postural modification of the Valsalva technique was performed within 5â min of arrival, with reversion to sinus rhythm occurring during the leg-lift phase on the first attempt. After 30â min of observation, the child remained stable and was discharged home.
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Postura/fisiología , Taquicardia Supraventricular/diagnóstico , Taquicardia Supraventricular/terapia , Maniobra de Valsalva/fisiología , Síndrome de Wolff-Parkinson-White/diagnóstico , Adenosina/administración & dosificación , Adenosina/uso terapéutico , Administración Intravenosa , Cuidados Posteriores , Antiarrítmicos/administración & dosificación , Antiarrítmicos/uso terapéutico , Atenolol/administración & dosificación , Atenolol/uso terapéutico , Niño , Cardioversión Eléctrica/métodos , Electrocardiografía , Humanos , Masculino , Taquicardia Paroxística/fisiopatología , Resultado del Tratamiento , Síndrome de Wolff-Parkinson-White/fisiopatologíaRESUMEN
BACKGROUND: The Valsalva manoeuvre is an internationally recommended treatment for supraventricular tachycardia, but cardioversion is rare in practice (5-20%), necessitating the use of other treatments including adenosine, which patients often find unpleasant. We assessed whether a postural modification to the Valsalva manoeuvre could improve its effectiveness. METHODS: We did a randomised controlled, parallel-group trial at emergency departments in England. We randomly allocated adults presenting with supraventricular tachycardia (excluding atrial fibrillation and flutter) in a 1:1 ratio to undergo a modified Valsalva manoeuvre (done semi-recumbent with supine repositioning and passive leg raise immediately after the Valsalva strain), or a standard semi-recumbent Valsalva manoeuvre. A 40 mm Hg pressure, 15 s standardised strain was used in both groups. Randomisation, stratified by centre, was done centrally and independently, with allocation with serially numbered, opaque, sealed, tamper-evident envelopes. Patients and treating clinicians were not masked to allocation. The primary outcome was return to sinus rhythm at 1 min after intervention, determined by the treating clinician and electrocardiogram and confirmed by an investigator masked to treatment allocation. This study is registered with Current Controlled Trials (ISRCTN67937027). FINDINGS: We enrolled 433 participants between Jan 11, 2013, and Dec 29, 2014. Excluding second attendance by five participants, 214 participants in each group were included in the intention-to-treat analysis. 37 (17%) of 214 participants assigned to standard Valsalva manoeuvre achieved sinus rhythm compared with 93 (43%) of 214 in the modified Valsalva manoeuvre group (adjusted odds ratio 3·7 (95% CI 2·3-5·8; p<0·0001). We recorded no serious adverse events. INTERPRETATION: In patients with supraventricular tachycardia, a modified Valsalva manoeuvre with leg elevation and supine positioning at the end of the strain should be considered as a routine first treatment, and can be taught to patients. FUNDING: National Institute for Health Research.
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Postura , Taquicardia Supraventricular/terapia , Maniobra de Valsalva , Servicio de Urgencia en Hospital , Femenino , Humanos , Masculino , Persona de Mediana Edad , Postura/fisiología , Posición Supina/fisiología , Taquicardia Supraventricular/fisiopatología , Resultado del Tratamiento , Maniobra de Valsalva/fisiologíaRESUMEN
Patients with attacks of re-entrant supraventricular tachycardia (SVT) frequently present to the emergency department (ED). The Valsalva manoeuvre (VM) is the most effective and safe vagal manoeuvre and advocated as the first-line treatment in stable patients but has a relatively low cardioversion success rate. Improving its efficacy would reduce patients' exposure to the side effects and complications of second-line treatments and has other potential benefits. We describe a modification to the VM, which is currently being studied, and present the case of a 23-year-old patient who was successfully treated with this modified VM after a previous near-fatal complication of direct current (DC) cardioversion.
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Taquicardia Supraventricular/terapia , Maniobra de Valsalva , Cardioversión Eléctrica/efectos adversos , Electrocardiografía , Humanos , Masculino , Recurrencia , Fibrilación Ventricular/etiología , Fibrilación Ventricular/prevención & control , Adulto JovenRESUMEN
INTRODUCTION: The Valsalva manoeuvre (VM) is a recommended first-line physical treatment for patients with re-entrant supraventricular tachycardia (SVT), but is often ineffective in standard practice. A failed VM is typically followed by treatment with intravenous adenosine, which patients often find unpleasant. VM effectiveness might be improved by a modification to posture which exaggerates the manoeuvre's vagal response and reduces the need for further emergency treatment. METHODS AND ANALYSIS: This is a multicentre randomised controlled clinical trial in 10 UK emergency departments (EDs). It compares a standard VM with a modified VM incorporating leg elevation and a supine posture after a standardised strain in stable adult patients presenting to the ED with SVT. The primary outcome measure is return to sinus rhythm on a 12-lead ECG. Secondary outcome measures include the need for treatment with adenosine or other antiarrhythmic treatments and the time patients spend in the ED. We plan to recruit approximately 372 patients, with 80% power to demonstrate an absolute improvement in cardioversion rate of 12%. An improvement of this magnitude through the use of a modified VM would be of significant benefit to patients and healthcare providers, and justify a change to standard practice. ETHICS AND DISSEMINATION: The study has been approved by the South West-Exeter Research Ethics Committee (REC reference 12/SW/0281). The trial will be published in an international peer reviewed journal. Study findings will be sent to the European and International resuscitation councils to inform future revisions of arrhythmia management guidelines. RESULTS: The trial will also be disseminated at international conferences and to patients through the Arrhythmia Alliance, a patient support charity. REGISTRATION: The study is registered with Current Controlled Trials (ISRCTN67937027) and has been adopted by the National Institute for Health Research (NIHR) Clinical Research Network.
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Postura , Taquicardia Supraventricular/terapia , Maniobra de Valsalva , Adenosina/uso terapéutico , Adolescente , Adulto , Antiarrítmicos/uso terapéutico , Electrocardiografía , Humanos , Taquicardia Supraventricular/tratamiento farmacológico , Adulto JovenRESUMEN
BACKGROUND: The primary aim of this study is to understand more about the perceptual-cognitive mechanisms underpinning the expert advantage in electrocardiogram (ECG) interpretation. While research has examined visual search processes in other aspects of medical decision making (e.g., radiology), this is the first study to apply the paradigm to ECG interpretation. The secondary aim is to explore the role that clinical history plays in influencing visual search behavior and diagnostic decision making. While clinical history may aid diagnostic decision making, it may also bias the visual search process. METHODS: Ten final-year medical students and 10 consultant emergency medics were presented with 16 ECG traces (8 with clinical history that was not manipulated independently of case) while wearing eye tracking equipment. The ECGs represented common abnormalities encountered in emergency departments and were among those taught to final-year medical students. Participants were asked to make a diagnosis on each presented trace and report their level of diagnostic confidence. RESULTS: Experts made significantly faster, more accurate, and more confident diagnoses, and this advantage was underpinned by differences in visual search behavior. Specifically, experts were significantly quicker at locating the leads of critical importance. Contrary to our hypothesis, clinical history had no significant effect on the readers' ability to detect the abnormality or make an accurate diagnosis. CONCLUSIONS: Accurate ECG interpretation appears dependent on the perceptual skill of pattern recognition and specifically the time to fixate the critical lead(s). Therefore, there is potential clinical utility in developing perceptual training programs to train novices to detect abnormalities more effectively.
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Electrocardiografía/métodos , Toma de Decisiones , Humanos , Cuerpo Médico de Hospitales , Estudiantes de Medicina , Reino UnidoRESUMEN
The 'Pain Passport' is a novel method of improving the management of pain in children. It consists of a leaflet carried by the patient which records serial pain scores. It attempts to empower patients and prompt medical and nursing staff to evaluate the child's pain. Preliminary audit data in support of this concept are encouraging.
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Manejo del Dolor/métodos , Analgésicos/uso terapéutico , Niño , Preescolar , Auditoría Clínica , Humanos , Manejo del Dolor/normas , Dimensión del Dolor/métodosRESUMEN
In young children, cannabis ingestion resulting in coma is very rare. Only nine cases have been reported in the literature and most have occurred in inquisitive toddlers. We review the cases to date and report the youngest recorded case of coma due to cannabis ingestion in an 11-month-old girl. This case highlights the importance of considering toxicological causes and the parental recreational drug history in young children who present with an altered level of consciousness. Child protection considerations are also discussed.