Titre : Électrons

Électrons : Questions médicales fréquentes

Termes MeSH sélectionnés :

Self-Testing
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"acceptedAnswer": { "@type": "Answer", "text": "On utilise des détecteurs de particules comme les chambres à bulles ou les compteurs Geiger." } }, { "@type": "Question", "name": "Quels appareils mesurent les électrons ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Les spectromètres de masse et les microscopes électroniques mesurent les électrons." } }, { "@type": "Question", "name": "Peut-on visualiser les électrons ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Oui, via des techniques comme la microscopie électronique à transmission." } }, { "@type": "Question", "name": "Quel rôle jouent les électrons dans les réactions chimiques ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Les électrons participent aux liaisons chimiques et aux transferts d'énergie." } }, { "@type": "Question", "name": "Comment les électrons affectent-ils la conductivité ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Les électrons libres dans un matériau déterminent sa conductivité électrique." } }, { "@type": "Question", "name": "Quels symptômes sont liés à une exposition excessive aux électrons ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Une exposition excessive peut causer des brûlures cutanées ou des lésions tissulaires." } }, { "@type": "Question", "name": "Comment l'exposition aux électrons affecte-t-elle la santé ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Elle peut entraîner des effets biologiques comme des mutations cellulaires." } }, { "@type": "Question", "name": "Quels signes indiquent une surdose d'électrons ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des symptômes comme des nausées ou des vertiges peuvent survenir." } }, { "@type": "Question", "name": "Les électrons peuvent-ils causer des maladies ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une exposition prolongée peut augmenter le risque de cancers." } }, { "@type": "Question", "name": "Quels effets à long terme l'exposition aux électrons peut-elle avoir ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Des effets à long terme incluent des troubles neurologiques ou des cancers." } }, { "@type": "Question", "name": "Comment prévenir l'exposition aux électrons ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Utiliser des équipements de protection et respecter les normes de sécurité." } }, { "@type": "Question", "name": "Quelles mesures de sécurité en laboratoire sont nécessaires ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Porter des gants, des lunettes de protection et travailler sous hotte." } }, { "@type": "Question", "name": "Comment réduire les risques d'exposition aux radiations ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Limiter le temps d'exposition et augmenter la distance des sources de radiation." } }, { "@type": "Question", "name": "Quels équipements protègent contre les électrons ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Des écrans en plomb ou des barrières de protection sont efficaces." } }, { "@type": "Question", "name": "Comment sensibiliser aux dangers des électrons ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Organiser des formations et des campagnes d'information sur les risques." } }, { "@type": "Question", "name": "Comment traiter les brûlures causées par les électrons ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Les brûlures doivent être nettoyées et couvertes, et des analgésiques peuvent être prescrits." } }, { "@type": "Question", "name": "Y a-t-il des antidotes pour l'exposition aux électrons ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Il n'existe pas d'antidote spécifique, mais un traitement symptomatique est recommandé." } }, { "@type": "Question", "name": "Comment gérer les effets des radiations sur la santé ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "La gestion inclut des soins médicaux, des suivis réguliers et des traitements ciblés." } }, { "@type": "Question", "name": "Quels traitements sont disponibles pour les cancers liés aux électrons ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements incluent la chimiothérapie, la radiothérapie et la chirurgie." } }, { "@type": "Question", "name": "Comment traiter les mutations cellulaires causées par les électrons ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Le traitement dépend du type de mutation, souvent par des thérapies ciblées." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir après une exposition ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des complications comme des cancers ou des troubles génétiques peuvent survenir." } }, { "@type": "Question", "name": "Les électrons peuvent-ils causer des maladies chroniques ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'exposition prolongée peut entraîner des maladies chroniques comme des cancers." } }, { "@type": "Question", "name": "Quels effets secondaires sont liés aux traitements des électrons ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Les effets secondaires incluent la fatigue, des nausées et des troubles sanguins." } }, { "@type": "Question", "name": "Comment les électrons affectent-ils le système immunitaire ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Une exposition excessive peut affaiblir le système immunitaire, augmentant les infections." } }, { "@type": "Question", "name": "Quelles sont les conséquences d'une exposition aiguë ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Une exposition aiguë peut entraîner des brûlures, des lésions tissulaires et des douleurs." } }, { "@type": "Question", "name": "Quels sont les facteurs de risque d'exposition aux électrons ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les travailleurs en laboratoire, les radiologues et les techniciens sont à risque." } }, { "@type": "Question", "name": "Comment l'environnement influence-t-il l'exposition aux électrons ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Des environnements industriels ou médicaux peuvent augmenter l'exposition aux électrons." } }, { "@type": "Question", "name": "Les enfants sont-ils plus à risque d'exposition ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les enfants sont plus sensibles aux effets des radiations et des électrons." } }, { "@type": "Question", "name": "Quels comportements augmentent le risque d'exposition ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Des comportements comme le non-port de protections augmentent le risque d'exposition." } }, { "@type": "Question", "name": "Comment les antécédents médicaux influencent-ils le risque ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Des antécédents de maladies peuvent augmenter la vulnérabilité aux effets des électrons." } } ] } ] }

Sources (10000 au total)

Agreement between a mobile applet-based visual acuity self-test program and the conventional method for distance and near visual acuity tests.

To investigate the agreement between a mobile applet-based visual acuity (VA) self-test program and the conventional VA tests.... This consecutive case series study included 121 children and adults (242 eyes). Patients were classified into three groups according to age (children, adolescents, and adults). They underwent uncorrec... Correlations among UDVA, DVA with ASC, UNVA, and NVA with ASC between the two methods were significant in all subjects (all p < 0.001). The intraclass correlation coefficient were 0.960, 0.845, 0.960,... There is good agreement between the mobile applet-based VA self-test program and the conventional VA tests. The VA self-test has good practical value especially in the current pandemic, allowing self-...

Examining the Use of HIV Self-Testing to Support PrEP Delivery: a Systematic Literature Review.

HIV self-testing (HIVST) has the potential to expand access to and uptake of HIV pre-exposure prophylaxis (PrEP) delivery. We conducted a systematic literature review to understand the evidence on HIV... After screening 1055 records, we included eight: three randomized trials and five values and preferences studies. None measured PrEP initiation. Most studies occurred in Sub-Saharan Africa (7/8) and i...

Costs of distributing HIV self-testing kits in Eswatini through community and workplace models.

This study evaluates the implementation and running costs of an HIV self-testing (HIVST) distribution program in Eswatini. HIVST kits were delivered through community-based and workplace models using ... Distribution data and follow-up phone interviews were analysed to estimate implementation outcomes. Results were presented for each step of the care cascade using best-case and worst-case scenarios. A... Nineteen thousand one hundred fifty-five HIVST kits were distributed to 13,031 individuals over a 12-month period, averaging 1.5 kits per recipient. 83% and 17% of kits were distributed via the commun... This study fills a significant evidence gap regarding costs of HIVST provision along the client care cascade in Eswatini. Workplace and community-based distribution of HIVST accompanied with effective...

The Practice and Potential Role of HIV Self-testing in China: Systematic Review and Meta-analysis.

HIV self-testing (HIVST) is recommended by the World Health Organization as a valid approach to routine HIV testing services. The scale of HIVST use has gradually been expanded in China over the past ... The main objective of this study was to systematically analyze the proportion of past use and actual uptake of HIVST within China. Moreover, we aimed to quantify the effect of HIVST on HIV prevention ... In all, 5 medical databases and 2 registration systems, including PubMed, Web of Science, MEDLINE, WanFang, China National Knowledge Internet, ClinicalTrials.gov, and the Chinese Clinical Trial Regist... A total of 50 studies were included in our systematic review. The estimated pooled prevalence of HIVST use in China was 29.9% (95% CI 22.5%-37.9%). Among individuals who have ever used HIVST, 47.5% (9... In recent times, HIVST has become a valuable tool for HIV prevention in China. The widespread use of HIVST in non-men who have sex with men populations needs to be endorsed and promoted. The long-term... PROSPERO CRD42022304846; https://tinyurl.com/54d9pxy8....

People's willingness to use COVID-19 self-testing in Nigeria: a cross-sectional survey.

Nigeria has been badly affected by the COVID-19 pandemic, and the poor testing coverage in the country may make controlling the spread of COVID-19 challenging. The aim of this study was to assess the ... A household-based survey was conducted in five urban and five rural local government areas in the states of Akwa Ibom, Anambra, Benue, Kaduna and Lagos, in mid-2021.... 2126 respondents (969 were female) participated. A five-pronged, probabilistic sampling approach was used to recruit individuals older than 17 years and available to participate when randomly approach... Of the total 2126 respondents, 14 (0.66%) were aware of COVID-19 self-testing, 1738 (81.80%) agreed with the idea of people being able to self-test for COVID-19, 1786 (84.05%) were likely/very likely ... A majority of Nigerians agree with the concept of COVID-19 self-testing and would act to protect public health on self-testing positive. Self-test implementation research is necessary to frame how acc...