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"name": "Diagnostic",
"headline": "Diagnostic sur Venins d'abeille",
"description": "Comment diagnostiquer une allergie au venin d'abeille ?\nQuels sont les signes d'une réaction au venin d'abeille ?\nQuand consulter un médecin après une piqûre d'abeille ?\nQuels tests sont utilisés pour évaluer la gravité d'une allergie ?\nComment différencier une piqûre d'abeille d'une autre ?",
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"description": "Quels sont les symptômes d'une piqûre d'abeille ?\nQuels symptômes indiquent une réaction allergique sévère ?\nPeut-on avoir des symptômes tardifs après une piqûre ?\nLes symptômes varient-ils selon les individus ?\nQuels symptômes peuvent indiquer une infection après une piqûre ?",
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"description": "Comment éviter les piqûres d'abeilles ?\nLes personnes allergiques doivent-elles porter un EpiPen ?\nQuelles précautions prendre lors de pique-niques ?\nComment réagir si une abeille s'approche ?\nLes abeilles sont-elles plus actives à certaines saisons ?",
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"description": "Quel est le traitement immédiat d'une piqûre d'abeille ?\nComment traiter une réaction allergique au venin ?\nQuels médicaments peuvent soulager les symptômes ?\nY a-t-il un antidote pour le venin d'abeille ?\nComment prévenir les complications après une piqûre ?",
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"description": "Qui est le plus à risque d'allergie au venin d'abeille ?\nLes enfants sont-ils plus sensibles aux piqûres ?\nLes personnes allergiques aux autres insectes le sont-elles aussi au venin d'abeille ?\nLe travail en extérieur augmente-t-il le risque de piqûres ?\nLes personnes ayant des antécédents familiaux d'allergies sont-elles à risque ?",
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"@type": "Question",
"name": "Comment diagnostiquer une allergie au venin d'abeille ?",
"position": 1,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un test cutané ou un dosage des IgE spécifiques au venin d'abeille peut confirmer l'allergie."
}
},
{
"@type": "Question",
"name": "Quels sont les signes d'une réaction au venin d'abeille ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Rougeur, gonflement, démangeaisons, et parfois des symptômes systémiques comme l'urticaire."
}
},
{
"@type": "Question",
"name": "Quand consulter un médecin après une piqûre d'abeille ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Consultez si vous avez des symptômes graves comme des difficultés respiratoires ou un gonflement important."
}
},
{
"@type": "Question",
"name": "Quels tests sont utilisés pour évaluer la gravité d'une allergie ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des tests de provocation et des évaluations cliniques sont utilisés pour évaluer la gravité."
}
},
{
"@type": "Question",
"name": "Comment différencier une piqûre d'abeille d'une autre ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'abeille laisse son dard et un sac de venin, tandis que d'autres insectes ne le font pas."
}
},
{
"@type": "Question",
"name": "Quels sont les symptômes d'une piqûre d'abeille ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Douleur, rougeur, gonflement localisé et démangeaisons sont les symptômes courants."
}
},
{
"@type": "Question",
"name": "Quels symptômes indiquent une réaction allergique sévère ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Difficultés respiratoires, gonflement du visage, et évanouissement sont des signes alarmants."
}
},
{
"@type": "Question",
"name": "Peut-on avoir des symptômes tardifs après une piqûre ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des symptômes peuvent apparaître plusieurs heures après la piqûre, notamment des démangeaisons."
}
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{
"@type": "Question",
"name": "Les symptômes varient-ils selon les individus ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la gravité des symptômes peut varier d'une personne à l'autre en fonction de la sensibilité."
}
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{
"@type": "Question",
"name": "Quels symptômes peuvent indiquer une infection après une piqûre ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Rougeur croissante, chaleur, pus et fièvre peuvent indiquer une infection au site de la piqûre."
}
},
{
"@type": "Question",
"name": "Comment éviter les piqûres d'abeilles ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Portez des vêtements protecteurs et évitez les zones où les abeilles sont actives."
}
},
{
"@type": "Question",
"name": "Les personnes allergiques doivent-elles porter un EpiPen ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les personnes allergiques doivent toujours avoir un EpiPen à portée de main en cas de piqûre."
}
},
{
"@type": "Question",
"name": "Quelles précautions prendre lors de pique-niques ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Évitez les aliments sucrés à l'extérieur et gardez les déchets couverts pour ne pas attirer les abeilles."
}
},
{
"@type": "Question",
"name": "Comment réagir si une abeille s'approche ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Restez calme, évitez les mouvements brusques et éloignez-vous lentement pour ne pas les agiter."
}
},
{
"@type": "Question",
"name": "Les abeilles sont-elles plus actives à certaines saisons ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles sont généralement plus actives au printemps et en été, lors de la floraison."
}
},
{
"@type": "Question",
"name": "Quel est le traitement immédiat d'une piqûre d'abeille ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Retirer le dard, nettoyer la zone, et appliquer du froid pour réduire la douleur et le gonflement."
}
},
{
"@type": "Question",
"name": "Comment traiter une réaction allergique au venin ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'épinéphrine est le traitement de première ligne pour les réactions allergiques sévères."
}
},
{
"@type": "Question",
"name": "Quels médicaments peuvent soulager les symptômes ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des antihistaminiques et des corticostéroïdes peuvent être utilisés pour soulager les symptômes."
}
},
{
"@type": "Question",
"name": "Y a-t-il un antidote pour le venin d'abeille ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Il n'existe pas d'antidote spécifique, mais des traitements symptomatiques sont disponibles."
}
},
{
"@type": "Question",
"name": "Comment prévenir les complications après une piqûre ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Surveillez les symptômes et consultez un médecin si des signes d'infection apparaissent."
}
},
{
"@type": "Question",
"name": "Quelles sont les complications possibles d'une piqûre d'abeille ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent des réactions allergiques sévères, des infections et des chocs anaphylactiques."
}
},
{
"@type": "Question",
"name": "Comment reconnaître un choc anaphylactique ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Symptômes incluent difficulté à respirer, gonflement du visage, et perte de conscience."
}
},
{
"@type": "Question",
"name": "Les piqûres multiples augmentent-elles les risques ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, plusieurs piqûres peuvent augmenter le risque de réactions graves, surtout chez les allergiques."
}
},
{
"@type": "Question",
"name": "Quelles infections peuvent survenir après une piqûre ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des infections bactériennes peuvent se développer au site de la piqûre si elle n'est pas bien soignée."
}
},
{
"@type": "Question",
"name": "Les complications sont-elles fréquentes ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications graves sont rares, mais les personnes allergiques doivent être vigilantes."
}
},
{
"@type": "Question",
"name": "Qui est le plus à risque d'allergie au venin d'abeille ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les personnes ayant des antécédents d'allergies ou des piqûres précédentes sont plus à risque."
}
},
{
"@type": "Question",
"name": "Les enfants sont-ils plus sensibles aux piqûres ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les enfants peuvent être plus sensibles, mais les adultes peuvent aussi développer des allergies."
}
},
{
"@type": "Question",
"name": "Les personnes allergiques aux autres insectes le sont-elles aussi au venin d'abeille ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une allergie à d'autres insectes peut augmenter le risque d'allergie au venin d'abeille."
}
},
{
"@type": "Question",
"name": "Le travail en extérieur augmente-t-il le risque de piqûres ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, les personnes travaillant en extérieur, comme les jardiniers, sont plus exposées aux piqûres."
}
},
{
"@type": "Question",
"name": "Les personnes ayant des antécédents familiaux d'allergies sont-elles à risque ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un historique familial d'allergies peut augmenter le risque d'allergie au venin d'abeille."
}
}
]
}
]
}
Ultrahigh-dose-rate (UHDR) radiation therapy (RT) has produced the FLASH effect in preclinical models: reduced toxicity with comparable tumor control compared with conventional-dose-rate RT. Early cli...
We tuned the program board of a decommissioned electron energy for UHDR electron delivery on a clinical LINAC without hardware modification. Pulse delivery was controlled using the respiratory gating ...
UHDR open-field mean dose rates at 100, 80, 70, and 59 cm SSD were 36.82, 59.52, 82.01, and 112.83 Gy/s, respectively. At 80 cm SSD, mean dose rate was ∼60 Gy/s for all collimated field sizes, with an...
Short SSD and tuning for high electron beam current on a standard clinical LINAC can deliver flat, homogenous UHDR electrons over a broad, clinically relevant range of field sizes and depths with prac...
The performance of a linear accelerator (Linac) depends on the integrity of its x-ray target. The sudden failure of its target not only breaks down the Linac but also could contribute significant disr...
In this study, some confusing points about electron film dosimetry using white polystyrene suggested by international protocols were verified using a clinical linear accelerator (LINAC). According to ...
Radiotherapy delivery with ultra-high dose rates (UHDR) has consistently produced normal tissue sparing while maintaining efficacy for tumour control in preclinical studies, known as the FLASH effect....
The first Varian TrueBeam (SN 1001) was clinically operative between 2009-2022, it was then decommissioned and converted into a research platform. The 18 MeV electron beam was converted into the exper...
The dose per pulse at isocenter was up to 1.28 Gy/pulse, corresponding to average and instantaneous dose rates up to 256 Gy/s and 3⋅10...
We report on the first technical conversion of a Varian TrueBeam to produce 16 MeV UHDR electron beams. This research platform will allow isocenter experiments and deliveries with conventional setups ...
Dosimetric accuracy is critical when a patient treated with volumetric modulated arc therapy (VMAT) is transferred to another beam-matched linac. To evaluate the performance of Accelerated Go Live (AG...
Two VersaHD linacs were installed using the AGL service. After the installation, the beam data such as percentage depth dose (PDD), lateral profiles and output factors for all photon beams were measur...
Dose differences in PDDs were all within ± 1% except the entrance region, and the averaged gamma indices of the lateral profiles were within 0.3. The differences in doses as a function of the MLC leaf...
We have evaluated the AGL performance in the context of beam characteristics and patient specific QA. It was demonstrated that the AGL service provides an accurate VMAT treatment reproducibility for m...
To develop an independent log file-based intensity-modulated radiation therapy (IMRT) quality assurance (QA) tool for the 0.35 T magnetic resonance-linac (MR-linac) and investigate the ability of vari...
The tool for particle simulation (TOPAS) Monte Carlo code was utilized with a previously validated linac head model. A cohort of 29 treatment plans was selected for IMRT QA using the developed QA tool...
The median and interquartile range for the TOPAS GPRs (3%/3 mm criteria) were 97.24% and 3.75%, respectively, and were 99.54% and 0.36% for the AQA tool, respectively. The computational time for TOPAS...
An independent MC and log file-based IMRT QA tool was successfully developed and can be clinically deployed for offline QA. The complexity metrics will supplement QA reports and provide information re...
Neutrons can be generated in medical linear accelerators (Linac) due to the interaction of high-energy photons (> 10 MeV) with the components of the accelerator head. The generated photoneutrons may p...
Multi-axis ionization chamber arrays can be used for quality assurance (QA) and measurement of linear accelerator (linac) specific data. In this work, the ability of the IC Profiler (Sun Nuclear Corp....
A Monte Carlo-based model of the IC Profiler detector array with Quad Wedge accessories was developed in detail from drawings provided by the manufacturer using the egs++ class library from the EGSnrc...
Measurements as well as Monte Carlo simulations confirmed the linear relationship between the area ratio...
A Monte-Carlo-based model of the detector array was developed, which could successfully reproduce measurements, demonstrating that even very complex geometries can be modeled in EGSnrc. Moreover, the ...
Linear accelerator (Linac) beam data commissioning and quality assurance (QA) play a vital role in accurate radiation treatment delivery and entail a large number of measurements using a variety of fi...
We propose to model Linac beam data through implicit neural representation (NeRP) learning. The potential of the beam model in predicting beam data from sparse measurements and detecting data collecti...
NeRP models with continuous and differentiable functions parameterized by multilayer perceptrons (MLPs) were used to represent various beam data including percentage depth dose (PDD) and profiles of 6...
Linac beam data predicted by the model agreed well with water tank measurements, with averaged Gamma passing rates (1%/1 mm passing criteria) higher than 95% and averaged mean absolute errors less tha...
A NeRP beam data modeling technique has been established for predicting beam characteristics from sparse measurements. The model provides a valuable tool to verify beam data collection accuracy and pr...
In recent years, the FLASH effect, in which ultrahigh dose rate (UHDR) radiotherapy (RT) can significantly reduce toxicity to normal tissue while maintaining antitumor efficacy, has been verified in m...
A 1.65 m long S-band backward-traveling-wave (BTW) electron linac was developed to generate high-current electron beams, supplied by a commercial klystron-based power source. A tungsten-copper electro...
The BTW linac generated 300-mA-pulse-current 11 MeV electron beams with 29 kW mean beam power, and the conversion target could sustain this high beam power within a maximum irradiation duration of 0.7...
This work demonstrated the feasibility of UHDR X-rays produced by a room-temperature RF linac, and explored the further optimization of system stability. It shows that a simple and compact UHDR X-ray ...