Titre : Fiches techniques sur la sécurité des substances

Fiches techniques sur la sécurité des substances : Questions médicales fréquentes

Termes MeSH sélectionnés :

Cloud Computing
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"acceptedAnswer": { "@type": "Answer", "text": "Utilisez des méthodes de surveillance environnementale et des questionnaires d'exposition." } }, { "@type": "Question", "name": "Quels indicateurs de dangerosité ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Les indicateurs incluent la toxicité aiguë, la corrosivité et la réactivité." } }, { "@type": "Question", "name": "Comment reconnaître une intoxication ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Surveillez les symptômes cliniques et les antécédents d'exposition à la substance." } }, { "@type": "Question", "name": "Quels symptômes d'une exposition chimique ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes peuvent inclure des nausées, des vertiges, des irritations cutanées." } }, { "@type": "Question", "name": "Comment se manifeste une intoxication aiguë ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Elle peut se manifester par des troubles respiratoires, des convulsions ou un coma." } }, { "@type": "Question", "name": "Quels signes d'allergie à une substance ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Les signes incluent des éruptions cutanées, des démangeaisons et des difficultés respiratoires." } }, { "@type": "Question", "name": "Quels symptômes d'une exposition prolongée ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Des symptômes chroniques peuvent inclure des troubles neurologiques et des cancers." } }, { "@type": "Question", "name": "Comment reconnaître une brûlure chimique ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Les brûlures chimiques se manifestent par des rougeurs, des cloques et des douleurs." } }, { "@type": "Question", "name": "Comment prévenir les accidents chimiques ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Formez le personnel, utilisez des équipements de protection et suivez les protocoles de sécurité." } }, { "@type": "Question", "name": "Quelles mesures de sécurité en laboratoire ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Utilisez des hottes, portez des gants et des lunettes de protection, et suivez les procédures." } }, { "@type": "Question", "name": "Comment stocker les substances dangereuses ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Stockez-les dans des contenants appropriés, étiquetés et dans des zones ventilées." } }, { "@type": "Question", "name": "Quelles formations pour le personnel ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Formez le personnel sur les risques, les procédures d'urgence et l'utilisation des EPI." } }, { "@type": "Question", "name": "Comment gérer les déchets chimiques ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Suivez les réglementations locales pour le tri, le stockage et l'élimination des déchets." } }, { "@type": "Question", "name": "Quel traitement pour une intoxication ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Le traitement dépend de la substance, mais peut inclure des antidotes et des soins de soutien." } }, { "@type": "Question", "name": "Comment traiter une brûlure chimique ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Rincez immédiatement la zone touchée à l'eau et consultez un professionnel de santé." } }, { "@type": "Question", "name": "Quels soins pour une irritation cutanée ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Nettoyez la zone affectée et appliquez des crèmes apaisantes ou des antihistaminiques." } }, { "@type": "Question", "name": "Comment gérer une exposition par inhalation ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Éloignez la personne de la source, administrez de l'oxygène et surveillez les signes vitaux." } }, { "@type": "Question", "name": "Quel suivi après exposition à une substance ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Un suivi médical est essentiel pour détecter d'éventuels effets à long terme." } }, { "@type": "Question", "name": "Quelles complications d'une exposition chimique ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications peuvent inclure des maladies respiratoires chroniques et des cancers." } }, { "@type": "Question", "name": "Quels effets à long terme d'une intoxication ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Des effets neurologiques, hépatiques ou rénaux peuvent survenir après une intoxication." } }, { "@type": "Question", "name": "Comment les substances affectent-elles la reproduction ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Certaines substances peuvent causer des malformations congénitales ou des infertilités." } }, { "@type": "Question", "name": "Quelles maladies liées à l'exposition professionnelle ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Des maladies comme l'asthme, la dermatite et des cancers peuvent être liées à l'exposition." } }, { "@type": "Question", "name": "Quels risques psychologiques liés à l'exposition ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "L'exposition peut entraîner des troubles anxieux, dépressifs ou des stress post-traumatiques." } }, { "@type": "Question", "name": "Quels facteurs augmentent le risque d'intoxication ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les facteurs incluent l'âge, l'état de santé, et l'exposition professionnelle fréquente." } }, { "@type": "Question", "name": "Comment l'environnement influence-t-il le risque ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "La pollution, la proximité des sites industriels et les conditions de travail augmentent le risque." } }, { "@type": "Question", "name": "Quels comportements à risque ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Le non-port d'EPI, la consommation d'alcool et le non-respect des protocoles de sécurité sont risqués." } }, { "@type": "Question", "name": "Quel rôle joue la formation dans la prévention ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Une formation adéquate réduit les risques d'accidents et améliore la gestion des urgences." } }, { "@type": "Question", "name": "Comment les antécédents médicaux influencent-ils le risque ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Les antécédents de maladies respiratoires ou dermatologiques augmentent le risque d'effets néfastes." } } ] } ] }

Sources (10000 au total)

Evaluation of image quality and radiation dose in computed tomography urography following tube voltage optimisation.

Computed tomography urography (CTU) comprehensively evaluates the urinary tract. However, the procedure is associated with a high radiation dose due to multiple scan series and therefore requires opti... The study was prospectively conducted on patients referred for CTU. The patients were grouped into A and B and were scanned with the standard protocol, a protocol used for the routine CTU at the CT ce... The dose was significantly lower in the optimised protocol with a 10 % reduction in both volume computed tomography dose index and (CTDIvol) and dose length product (DLP) for the phantom images, and a... The findings revealed a significant dose reduction in the optimised protocol. Further, image quality in standard and optimised protocols did not differ significantly based on quantitative and qualitat... kV optimisation in contrast-enhanced procedures provides dose reduction and should be encouraged in the medical imaging departments....

Prediction of preoperative microvascular invasion by dynamic radiomic analysis based on contrast-enhanced computed tomography.

Microvascular invasion (MVI) is a common complication of hepatocellular carcinoma (HCC) surgery, which is an important predictor of reduced surgical prognosis. This study aimed to develop a fully auto... A total of 140 patients with HCC from two centers were retrospectively included (training set, n = 98; testing set, n = 42). All CT phases were aligned to the portal venous phase, and were then used t... Overall, 86 and 54 patients with MVI- (age, 55.92 ± 9.62 years; 68 men) and MVI+ (age, 53.59 ± 11.47 years; 43 men) were included. Average dice coefficients of liver tumor segmentation were 0.89 and 0... The classification model based on multimodal intra- and peri-tumoral radiomics features can well predict HCC patients with MVI....

Computer tomography perfusion patterns in iatrogenic cerebral arterial gas embolism: A retrospective cohort study.

Cerebral arterial gas embolism (CAGE) occurs when air or medical gas enters the systemic circulation during invasive procedures and lodges in the cerebral vasculature. Non-contrast computer tomography... This is a retrospective single-center cohort study. We included patients who were diagnosed with iatrogenic CAGE and underwent CTP within 24 h after onset of symptoms between January 2016 and October ... Among 27 patient admitted with iatrogenic CAGE, 15 patients underwent CTP within the designated timeframe and were included for imaging analysis. CTP showed perfusion deficits in all patients except o... CTP may show specific perfusion defects in patients with a clinical diagnosis of CAGE. This suggests that CTP may be supportive in diagnosing CAGE in cases where no intracerebral gas is seen on non-co...