questionsmedicales.fr
Disciplines des sciences naturelles
Physique
Physique : Questions médicales fréquentes
Termes MeSH sélectionnés :
Diagnostic
5
Imagerie par résonance magnétique
Physique médicale
Radiologie
Rayonnement ionisant
Imagerie par positons
Physique quantique
Symptômes
5
Radiothérapie
Effets secondaires
Exposition aux radiations
Syndrome d'irradiation
Ultrasons
Effets indésirables
Dosimétrie
Effets secondaires
Imagerie par résonance magnétique
Claustrophobie
Prévention
5
Radiothérapie
Effets secondaires
Échographie
Pratiques médicales
Sensibilisation
Radiations
Traitements
5
Radiothérapie
Traitement du cancer
Lasers médicaux
Chirurgie
Ultrasons
Thérapie physique
Radiothérapie ciblée
Cancer
Physique quantique
Imagerie médicale
Complications
5
Radiothérapie
Complications
Ultrasons
Effets indésirables
Exposition aux radiations
Cancer
Facteurs de risque
5
Mode de vie
Radiothérapie
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"acceptedAnswer": {
"@type": "Answer",
"text": "Assurer une formation adéquate des opérateurs et utiliser des appareils calibrés."
}
},
{
"@type": "Question",
"name": "Comment sensibiliser aux risques des radiations ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Éduquer le public sur les risques et bénéfices des examens radiologiques."
}
},
{
"@type": "Question",
"name": "Comment la physique est-elle utilisée en radiothérapie ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle permet de cibler les tumeurs avec des rayonnements tout en épargnant les tissus sains."
}
},
{
"@type": "Question",
"name": "Quel est le rôle des lasers en médecine ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les lasers sont utilisés pour des traitements comme la chirurgie oculaire et dermatologique."
}
},
{
"@type": "Question",
"name": "Comment les ultrasons sont-ils utilisés en thérapie ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Ils sont utilisés pour traiter des douleurs musculaires et favoriser la guérison des tissus."
}
},
{
"@type": "Question",
"name": "Qu'est-ce que la radiothérapie ciblée ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "C'est un traitement qui utilise des radiations pour cibler spécifiquement les cellules cancéreuses."
}
},
{
"@type": "Question",
"name": "Comment la physique quantique influence-t-elle les traitements ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle permet le développement de nouvelles techniques d'imagerie et de traitement ciblé."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir après une radiothérapie ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des complications comme des brûlures cutanées ou des troubles digestifs peuvent apparaître."
}
},
{
"@type": "Question",
"name": "Quels risques sont associés à l'imagerie par rayons X ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un risque accru de cancer peut être associé à une exposition répétée aux rayons X."
}
},
{
"@type": "Question",
"name": "Comment les effets secondaires des ultrasons peuvent-ils se manifester ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Ils peuvent inclure des douleurs, des rougeurs ou des gonflements au site de traitement."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent résulter d'une mauvaise dosimétrie ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une mauvaise dosimétrie peut entraîner des lésions tissulaires ou des effets à long terme."
}
},
{
"@type": "Question",
"name": "Quels sont les risques d'une exposition excessive aux radiations ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Cela peut entraîner des effets aigus comme des brûlures ou des effets à long terme comme le cancer."
}
},
{
"@type": "Question",
"name": "Quels facteurs augmentent le risque de cancer lié aux radiations ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'exposition fréquente aux rayonnements ionisants et l'âge avancé sont des facteurs de risque."
}
},
{
"@type": "Question",
"name": "Comment le mode de vie influence-t-il les risques en radiothérapie ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un mode de vie sain peut réduire les effets secondaires et améliorer la récupération."
}
},
{
"@type": "Question",
"name": "Quels sont les risques liés à l'utilisation de lasers en médecine ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une mauvaise utilisation peut entraîner des brûlures ou des lésions oculaires."
}
},
{
"@type": "Question",
"name": "Quels facteurs de risque sont associés aux ultrasons ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une utilisation inappropriée ou excessive peut entraîner des effets indésirables."
}
},
{
"@type": "Question",
"name": "Comment l'âge influence-t-il les traitements par radiothérapie ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les patients plus âgés peuvent avoir des réactions plus sévères aux traitements."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 14/07/2026
Contenu vérifié selon les dernières recommandations médicales
2 publications dans cette catégorie
Affiliations :
Institute of Sport Sciences, The Jerzy Kukuczka Academy of Physical Education, Katowice, Poland.
Publications dans "Physique" :
1 publication dans cette catégorie
Affiliations :
North Dakota State University Department of Public Health, Fargo, North Dakota, ND.
Physical Activity Policy Research and Evaluation Network (PAPREN).
Publications dans "Physique" :
1 publication dans cette catégorie
Affiliations :
Stanford University School of Medicine, Stanford Prevention Research Center, Stanford, CA.
Physical Activity Policy Research and Evaluation Network (PAPREN).
Publications dans "Physique" :
1 publication dans cette catégorie
Affiliations :
Department of Epidemiology, Tulane University School of Public Health and Tropical Medicine, New Orleans, LA.
Physical Activity Policy Research and Evaluation Network (PAPREN).
Publications dans "Physique" :
1 publication dans cette catégorie
Affiliations :
University of Massachusetts Medical School, Department of Population and Quantitative Health Sciences, Worcester, MA.
Physical Activity Policy Research and Evaluation Network (PAPREN).
Publications dans "Physique" :
1 publication dans cette catégorie
Affiliations :
University of South Carolina Department of Physical Education, Columbia, SC.
Physical Activity Policy Research and Evaluation Network (PAPREN).
Publications dans "Physique" :
1 publication dans cette catégorie
Affiliations :
Defence Science and Technology Group, Fishermans Bend, Victoria, Australia.
Publications dans "Physique" :
1 publication dans cette catégorie
Affiliations :
Canadian Forces Morale and Welfare Services, Ottawa, Canada.
Publications dans "Physique" :
1 publication dans cette catégorie
Affiliations :
School of Kinesiology, Faculty of Education, University of British Columbia, Vancouver, BC, Canada.
Publications dans "Physique" :
1 publication dans cette catégorie
Affiliations :
Department of Food and Nutrition, and Sport Science, Faculty of Education, University of Gothenburg, Göteborg, Sweden.
Publications dans "Physique" :
1 publication dans cette catégorie
Affiliations :
School of Health Sciences, University of Northern British Columbia, Prince George, BC, Canada.
Publications dans "Physique" :
1 publication dans cette catégorie
Affiliations :
School of Exercise Science, Physical and Health Education, University of Victoria, Victoria, BC, Canada.
Publications dans "Physique" :
1 publication dans cette catégorie
Affiliations :
School of Kinesiology, Faculty of Education, University of British Columbia, Vancouver, BC, Canada. guy.faulkner@ubc.ca.
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1 publication dans cette catégorie
Affiliations :
Department of Analytical Chemistry, Certification and Quality Management, Kazan National Research Technological University, K. Marx Street 68, 420015 Kazan, Russia.
Publications dans "Physique" :
1 publication dans cette catégorie
Affiliations :
School of Psychology, University of Lincoln, Lincoln, United Kingdom. Electronic address: remarknibor@gmail.com.
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1 publication dans cette catégorie
Affiliations :
Department of Psychology, Western University, London, ON, Canada.
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1 publication dans cette catégorie
Affiliations :
Department of Psychology, University of British Columbia, Vancouver, BC, Canada.
Publications dans "Physique" :
1 publication dans cette catégorie
Affiliations :
Department of Psychological Sciences, Birkbeck, University of London, London, United Kingdom.
Publications dans "Physique" :
1 publication dans cette catégorie
Affiliations :
Department of Psychology, University of British Columbia, Vancouver, BC, Canada.
Publications dans "Physique" :
1 publication dans cette catégorie
Affiliations :
Department of Psychology, Trent University, Peterborough, ON, Canada.
Publications dans "Physique" :
Simulation models have been applied to analyze daily living activities and some sports movements. However, it is unknown whether the current upper extremity musculoskeletal models can be utilized for ...
A previously customized and validated unimanual upper extremity musculoskeletal model with six degrees of freedom at the scapula, shoulder, elbow, and wrist, as well as muscles was used in this study....
The OpenSim-generated joint angles for the back spin shot corresponded well with the experimental results for the elbow, while the model outputs of the shoulder deviated from the experimental data. Th...
It is feasible to cater simulation modeling in OpenSim for biomechanical investigations of the upper extremity movements in cue sports. Model outputs can help better understand the contributions of in...
Ossicular fixation disturbs the mobility of the ossicular chain and causes conductive hearing loss. To diagnose the lesion area, otologists typically assess ossicular mobility through intraoperative p...
Here, employing computer simulation tools, we present a study on the development of a bacterial biofilm from a single starter cell on a flat inert surface overlaid by an aqueous solution containing nu...
Owing to the complexity of physics linked with blood flow and its associated phenomena, appropriate modeling of the multi-constituent rheology of blood is of primary importance. To this effect, variou...
The two-phase model of blood presented here is based on the classical diffusion-flux framework. Diffusion flux models are known to be less computationally expensive than two-fluid multiphase models si...
The framework is validated against four sets of experiments: (i) flow through a rectangular microchannel to validate RBC velocity profiles against experimental measurements and compare computed hemato...
The computational framework presented in this paper has the advantage of resolving the multiscale physics of blood flow while still leveraging numerical techniques used for solving single-phase flows....
Computer simulations using ever-increasing computing power and machine learning techniques allow advanced molecular modelling, molecular dynamics simulations and studies of intermolecular interactions...
The objectives of this study are to characterize the hemodynamics of cardiogenic shock (CS) through a computational model validated using a mock circulatory loop (MCL) and to perform sensitivity analy...
Several positive clinical trials have demonstrated that capacitive hyperthermia (CHT) improves the effectiveness of radiation therapy for the treatment of various cancer entities. However, the ability...
To perform a pilot study involving comparisons of computer simulations and experimental data using different split-phantoms to validate hyperthermia treatment modeling for pre-planning for a clinical ...
The CHT system EHY-2030 (Oncotherm, Budapest, Hungary) was used. The system provides two electrode sizes, but only the smaller electrode, indicated as D200 electrode, was investigated in this pilot st...
For the investigated electrode D200 the system power of 75 W was applied, which is half of the maximum power of 150 W and lies in the range of usual values for this electrode applied in patient treatm...
Computer simulations and experimental data were compared for the CHT system EHY-2030 using the D200 electrode, applying a thermal imaging technique for different vertically splittable phantoms. This p...
Reducing the environmental pressures stemming from food production is central to meeting global sustainability targets. Shifting diets represents one lever for improving food system sustainability, an...
Chemical mass casualty incidents (MCIs) pose a substantial threat to public health and safety, with the capacity to overwhelm healthcare infrastructure and create societal disorder. Computer simulatio...
We created a computer simulation model of an urban subway sarin attack analogous to the 1995 Tokyo sarin incident. We created and combined evacuation, dispersion and victim models with the SIMEDIS com...
Only evacuation policy, strategy and preliminary triage show significant effects on mortality. The total average mortality ranges from 14.7 deaths in the combination of off-site decontamination and Sc...
Our findings suggest that in a simulated urban chemical MCI, a Stay and Play approach with on-site decontamination will lead to worse outcomes than a Scoop and Run approach with hospital-based deconta...
Compared to traditional unipolar radiofrequency ablation (RFA), bipolar RFA offers advantages such as more precise heat transfer and higher ablation efficiency. Clinically, myocardial baseline impedan...