Titre : Dose létale 50

Dose létale 50 : Questions médicales fréquentes

Termes MeSH sélectionnés :

Electronic Data Processing
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"description": "Comment évaluer la DL50 d'une substance ?\nQuels tests sont utilisés pour mesurer la DL50 ?\nLa DL50 est-elle la même pour tous les organismes ?\nQuels facteurs influencent la DL50 ?\nComment la DL50 est-elle utilisée en recherche ?", "url": "https://questionsmedicales.fr/mesh/D007928?mesh_terms=Electronic+Data+Processing&page=2#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Dose létale 50", "description": "Quels symptômes indiquent une exposition à une DL50 ?\nLes symptômes varient selon la substance ?\nPeut-on prédire les symptômes d'une DL50 ?\nQuels sont les signes d'une intoxication aiguë ?\nComment reconnaître une intoxication par un produit chimique ?", "url": "https://questionsmedicales.fr/mesh/D007928?mesh_terms=Electronic+Data+Processing&page=2#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Dose létale 50", "description": "Comment prévenir l'exposition à des substances toxiques ?\nQuelles sont les mesures de sécurité en laboratoire ?\nLes réglementations aident-elles à prévenir les intoxications ?\nComment éduquer sur les dangers des substances toxiques ?\nLes étiquettes de produits chimiques sont-elles importantes ?", "url": "https://questionsmedicales.fr/mesh/D007928?mesh_terms=Electronic+Data+Processing&page=2#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Dose létale 50", "description": "Quel est le traitement d'une intoxication aiguë ?\nLes antidotes sont-ils toujours efficaces ?\nComment gérer une exposition à une DL50 ?\nQuels soins sont nécessaires après une exposition ?\nLa décontamination est-elle nécessaire ?", "url": "https://questionsmedicales.fr/mesh/D007928?mesh_terms=Electronic+Data+Processing&page=2#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Dose létale 50", "description": "Quelles complications peuvent survenir après une intoxication ?\nLes effets à long terme sont possibles ?\nComment surveiller les complications post-intoxication ?\nLes complications varient-elles selon la substance ?\nQuels sont les risques de réexposition ?", "url": "https://questionsmedicales.fr/mesh/D007928?mesh_terms=Electronic+Data+Processing&page=2#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Dose létale 50", "description": "Quels sont les facteurs de risque d'intoxication ?\nLes travailleurs sont-ils plus à risque ?\nComment l'âge influence-t-il le risque d'intoxication ?\nLes maladies préexistantes augmentent-elles le risque ?\nL'environnement joue-t-il un rôle dans l'intoxication ?", "url": "https://questionsmedicales.fr/mesh/D007928?mesh_terms=Electronic+Data+Processing&page=2#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment évaluer la DL50 d'une substance ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "La DL50 est déterminée par des études sur des groupes d'animaux exposés à différentes doses." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour mesurer la DL50 ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des tests de toxicité aiguë, souvent sur rongeurs, sont utilisés pour mesurer la DL50." } }, { "@type": "Question", "name": "La DL50 est-elle la même pour tous les organismes ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Non, la DL50 varie selon l'espèce, le sexe et l'âge des organismes testés." } }, { "@type": "Question", "name": "Quels facteurs influencent la DL50 ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "La DL50 peut être influencée par la voie d'exposition, la durée et la sensibilité individuelle." } }, { "@type": "Question", "name": "Comment la DL50 est-elle utilisée en recherche ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Elle est utilisée pour comparer la toxicité de différentes substances et établir des normes de sécurité." } }, { "@type": "Question", "name": "Quels symptômes indiquent une exposition à une DL50 ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes peuvent inclure des nausées, vomissements, convulsions et coma." } }, { "@type": "Question", "name": "Les symptômes varient selon la substance ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les symptômes dépendent de la nature de la substance toxique et de la dose." } }, { "@type": "Question", "name": "Peut-on prédire les symptômes d'une DL50 ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des modèles précliniques peuvent aider à prédire les symptômes, mais il y a des variations." } }, { "@type": "Question", "name": "Quels sont les signes d'une intoxication aiguë ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Les signes incluent des troubles respiratoires, des douleurs abdominales et des troubles neurologiques." } }, { "@type": "Question", "name": "Comment reconnaître une intoxication par un produit chimique ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "La reconnaissance repose sur l'historique d'exposition et l'apparition rapide des symptômes." } }, { "@type": "Question", "name": "Comment prévenir l'exposition à des substances toxiques ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Utiliser des équipements de protection, suivre les protocoles de sécurité et éduquer le personnel." } }, { "@type": "Question", "name": "Quelles sont les mesures de sécurité en laboratoire ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Les mesures incluent l'utilisation de hottes, de gants et de formation sur les risques chimiques." } }, { "@type": "Question", "name": "Les réglementations aident-elles à prévenir les intoxications ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les réglementations sur l'utilisation des produits chimiques aident à réduire les risques." } }, { "@type": "Question", "name": "Comment éduquer sur les dangers des substances toxiques ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Des formations régulières et des affichages d'information peuvent sensibiliser aux dangers." } }, { "@type": "Question", "name": "Les étiquettes de produits chimiques sont-elles importantes ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles fournissent des informations essentielles sur les dangers et les mesures de sécurité." } }, { "@type": "Question", "name": "Quel est le traitement d'une intoxication aiguë ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Le traitement inclut l'élimination de la substance, le soutien des fonctions vitales et des antidotes si disponibles." } }, { "@type": "Question", "name": "Les antidotes sont-ils toujours efficaces ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Non, l'efficacité des antidotes dépend de la substance et du moment de l'administration." } }, { "@type": "Question", "name": "Comment gérer une exposition à une DL50 ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Il faut contacter un centre antipoison et suivre les protocoles d'urgence appropriés." } }, { "@type": "Question", "name": "Quels soins sont nécessaires après une exposition ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Des soins de soutien, une surveillance continue et des traitements spécifiques peuvent être nécessaires." } }, { "@type": "Question", "name": "La décontamination est-elle nécessaire ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la décontamination est souvent nécessaire pour réduire l'absorption de la substance toxique." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir après une intoxication ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent des lésions organiques, des troubles neurologiques et des infections." } }, { "@type": "Question", "name": "Les effets à long terme sont possibles ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certaines substances peuvent causer des effets à long terme, comme des cancers ou des troubles chroniques." } }, { "@type": "Question", "name": "Comment surveiller les complications post-intoxication ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Une surveillance médicale régulière est nécessaire pour détecter les complications précoces." } }, { "@type": "Question", "name": "Les complications varient-elles selon la substance ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les complications dépendent de la nature de la substance et de la dose reçue." } }, { "@type": "Question", "name": "Quels sont les risques de réexposition ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "La réexposition peut aggraver les complications et augmenter le risque de maladies chroniques." } }, { "@type": "Question", "name": "Quels sont les facteurs de risque d'intoxication ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les facteurs incluent l'âge, le sexe, l'état de santé et l'environnement de travail." } }, { "@type": "Question", "name": "Les travailleurs sont-ils plus à risque ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les travailleurs exposés à des produits chimiques sont souvent à risque accru d'intoxication." } }, { "@type": "Question", "name": "Comment l'âge influence-t-il le risque d'intoxication ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Les jeunes enfants et les personnes âgées sont plus vulnérables aux effets toxiques." } }, { "@type": "Question", "name": "Les maladies préexistantes augmentent-elles le risque ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certaines maladies peuvent rendre les individus plus sensibles aux effets toxiques." } }, { "@type": "Question", "name": "L'environnement joue-t-il un rôle dans l'intoxication ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un environnement pollué ou des conditions de travail dangereuses augmentent le risque." } } ] } ] }

Sources (10000 au total)

Using Natural Language Processing and Machine Learning to Identify Opioids in Electronic Health Record Data.

This study evaluates the utility of machine learning (ML) and natural language processing (NLP) in the processing and initial analysis of data within the electronic health record (EHR). We present and... A total of 4216 distinct medication entries were obtained from the EHR and were initially labeled by human reviewers as opioid or non-opioid medications. An approach incorporating bag-of-words NLP and... A total of 3991 medication strings were classified as non-opioid medications (94.7%), and 225 were classified as opioid medications by the human reviewers (5.3%). The algorithm achieved a 99.6% accura... The automated approach achieved excellent performance in classifying opioids or non-opioids, even with a practical number of human reviewed training examples. This will allow a significant reduction i...

Using natural language processing to identify opioid use disorder in electronic health record data.

As opioid prescriptions have risen, there has also been an increase in opioid use disorder (OUD) and its adverse outcomes. Accurate and complete epidemiologic surveillance of OUD, to inform prevention... Data were drawn from EHR records for hospital and emergency department patient visits to a large regional academic medical center from 2017 to 2019. International Classification of Disease, 10th Editi... While there was substantial overlap in the identified records (n = 1,381 [59.2 %]), overall n = 2,332 unique visits were identified. Of the total unique visits, 430 (18.4 %) were identified only by IC... NLP-based algorithms can automate data extraction and identify evidence of opioid use disorder from unstructured electronic healthcare records. The most complete ascertainment of OUD in EHR was combin...

Prediction of intra-abdominal injury using natural language processing of electronic medical record data.

This study aimed to use natural language processing to predict the presence of intra-abdominal injury using unstructured data from electronic medical records.... This was a random-sample retrospective observational cohort study leveraging unstructured data from injured patients taken to one of 9 acute care hospitals in an integrated health system between 2015 ... A random sample of 7,000 patient encounters of 177,127 was annotated. Only 2,951 had sufficient information to determine whether an intra-abdominal injury was present. Among those, 84 (2.9%) had an in... Natural language processing could be a screening decision support tool, which, if paired with human clinical assessment, can maximize precision of intra-abdominal injury identification....

Cerebrovascular disease case identification in inpatient electronic medical record data using natural language processing.

Abstracting cerebrovascular disease (CeVD) from inpatient electronic medical records (EMRs) through natural language processing (NLP) is pivotal for automated disease surveillance and improving patien... CeVD status was confirmed through a chart review on randomly selected hospitalized patients who were 18 years or older and discharged from 3 hospitals in Calgary, Alberta, Canada, between January 1 an... Of the study sample (n = 3036), the prevalence of CeVD was 11.8% (n = 360); the median patient age was 63; and females accounted for 50.3% (n = 1528) based on chart data. Among 49 extracted clinical d... The NLP algorithm developed in this study performed better than the ICD code algorithm in detecting CeVD. The NLP models could result in an automated EMR tool for identifying CeVD cases and be applied...

Assessing longitudinal housing status using Electronic Health Record data: a comparison of natural language processing, structured data, and patient-reported history.

Measuring long-term housing outcomes is important for evaluating the impacts of services for individuals with homeless experience. However, assessing long-term housing status using traditional methods... We compared VA EHR indicators of housing instability, including information extracted from clinical notes using natural language processing (NLP), with patient-reported housing outcomes in a cohort of... NLP achieved higher sensitivity and specificity than standard diagnosis codes for detecting episodes of unstable housing. Other structured data elements in the VA EHR showed promising performance, par... Evaluation efforts and research studies assessing longitudinal housing outcomes should incorporate multiple data sources of documentation to achieve optimal performance....

Retrospective study of propionic acidemia using natural language processing in Mayo Clinic electronic health record data.

Propionic acidemia (PA) is a rare autosomal recessive organic acidemia that classically presents within the first days of life with a metabolic crisis or via newborn screening and is confirmed with la... To retrospectively describe the natural history of patients with PA in a clinical setting from a real-world database using both structured and unstructured electronic health record (EHR) data using no... This retrospective study used EHR data to identify patients with PA seen at the Mayo Clinic. Unstructured clinical text (medical notes, pathology reports) were analyzed using augmented curation natura... In total, 13 patients with PA were identified, with visits occurring from 1998 to 2022. Age at diagnosis ranged from birth to 3 years; age at initial evaluation at the Mayo Clinic ranged from 3 days t... This study highlights the range and frequency of clinical outcomes experienced by patients with PA and demonstrates the clinical burden of MDEs....

Evaluation of electronic screening in the preoperative process.

Rising patient numbers, with increasing complexity, challenge the sustainability of the current preoperative process. We evaluated whether an electronic screening application can distinguish patients ... Prospective cohort study.... Preoperative clinic of a tertiary academic hospital.... 1395 adult patients scheduled for surgery or procedural sedation.... We assessed a novel electronic preoperative screening application which consists of a questionnaire with a maximum of 185 questions regarding the patient's medical history and current state of health.... The recommendation of the electronic screening system was compared with the regular preoperative assessment using measures of diagnostic accuracy and agreement. Secondary outcomes included ASA-PS clas... Sensitivity to detect patients who needed additional consultation was 97.5% (95%CI 91.2-99.7) and the negative likelihood ratio was 0.08 (95%CI 0.02-0.32). 407 (29.2%) patients were approved for surge... Electronic screening can reliably identify patients who can have their first contact with an anesthesiologist on the day of surgery, potentially allowing a major proportion of patients to safely bypas...