Titre : Conductivité électrique

Conductivité électrique : Questions médicales fréquentes

Termes MeSH sélectionnés :

Reference Values
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Conductivité électrique", "description": "Quels symptômes indiquent une mauvaise conductivité cardiaque ?\nQuels signes neurologiques sont liés à la conductivité ?\nComment la déshydratation affecte-t-elle la conductivité ?\nQuels symptômes d'une neuropathie sont liés à la conductivité ?\nQuels symptômes peuvent indiquer une hyperkaliémie ?", "url": "https://questionsmedicales.fr/mesh/D004553?mesh_terms=Reference+Values&page=4#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Conductivité électrique", "description": "Comment prévenir les troubles de la conductivité cardiaque ?\nQuels exercices favorisent la santé nerveuse ?\nComment éviter la déshydratation ?\nQuels aliments sont bons pour la conductivité ?\nComment gérer le stress pour la santé nerveuse ?", "url": "https://questionsmedicales.fr/mesh/D004553?mesh_terms=Reference+Values&page=4#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Conductivité électrique", "description": "Comment traiter une conduction cardiaque anormale ?\nQuels médicaments améliorent la conductivité nerveuse ?\nComment la rééducation peut-elle aider la conductivité ?\nQuels suppléments peuvent améliorer la conductivité ?\nQuel rôle joue l'alimentation dans la conductivité ?", "url": "https://questionsmedicales.fr/mesh/D004553?mesh_terms=Reference+Values&page=4#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Conductivité électrique", "description": "Quelles complications peuvent survenir avec une arythmie ?\nQuels risques sont associés à une neuropathie non traitée ?\nComment une mauvaise conductivité peut-elle affecter le cœur ?\nQuelles sont les conséquences d'une déshydratation sévère ?\nQuels effets une carence en électrolytes peut-elle avoir ?", "url": "https://questionsmedicales.fr/mesh/D004553?mesh_terms=Reference+Values&page=4#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Conductivité électrique", "description": "Quels facteurs augmentent le risque d'arythmie ?\nComment le diabète affecte-t-il la conductivité nerveuse ?\nQuels médicaments peuvent affecter la conductivité ?\nQuel rôle joue l'âge dans la conductivité cardiaque ?\nComment le stress influence-t-il la conductivité ?", "url": "https://questionsmedicales.fr/mesh/D004553?mesh_terms=Reference+Values&page=4#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment évaluer la conductivité électrique cardiaque ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "L'évaluation se fait par électrocardiogramme (ECG) pour mesurer l'activité électrique." } }, { "@type": "Question", "name": "Quels tests mesurent la conductivité neuronale ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Les tests de conduction nerveuse évaluent la vitesse et l'efficacité de la transmission nerveuse." } }, { "@type": "Question", "name": "Quels appareils mesurent la conductivité des tissus ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Les appareils d'impédance bioélectrique mesurent la résistance et la conductivité des tissus." } }, { "@type": "Question", "name": "Comment la conductivité est-elle mesurée en laboratoire ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Des électrodes sont utilisées pour mesurer la conductivité des solutions biologiques en laboratoire." } }, { "@type": "Question", "name": "Quel rôle joue la conductivité dans l'ECG ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "La conductivité électrique est cruciale pour la transmission des signaux cardiaques dans l'ECG." } }, { "@type": "Question", "name": "Quels symptômes indiquent une mauvaise conductivité cardiaque ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Des palpitations, des douleurs thoraciques ou des évanouissements peuvent indiquer un problème." } }, { "@type": "Question", "name": "Quels signes neurologiques sont liés à la conductivité ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Des engourdissements, des picotements ou une faiblesse musculaire peuvent survenir." } }, { "@type": "Question", "name": "Comment la déshydratation affecte-t-elle la conductivité ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "La déshydratation peut réduire la conductivité électrique, entraînant des crampes musculaires." } }, { "@type": "Question", "name": "Quels symptômes d'une neuropathie sont liés à la conductivité ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "La neuropathie peut provoquer des douleurs, des sensations anormales et une perte de réflexes." } }, { "@type": "Question", "name": "Quels symptômes peuvent indiquer une hyperkaliémie ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Des palpitations, une faiblesse musculaire et des troubles du rythme cardiaque peuvent survenir." } }, { "@type": "Question", "name": "Comment prévenir les troubles de la conductivité cardiaque ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Maintenir un mode de vie sain, éviter le tabac et gérer le stress aide à prévenir ces troubles." } }, { "@type": "Question", "name": "Quels exercices favorisent la santé nerveuse ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Des exercices réguliers, comme la marche ou le yoga, améliorent la santé nerveuse." } }, { "@type": "Question", "name": "Comment éviter la déshydratation ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Boire suffisamment d'eau et consommer des aliments riches en eau aide à prévenir la déshydratation." } }, { "@type": "Question", "name": "Quels aliments sont bons pour la conductivité ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Les aliments riches en potassium, magnésium et calcium favorisent une bonne conductivité." } }, { "@type": "Question", "name": "Comment gérer le stress pour la santé nerveuse ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Des techniques de relaxation comme la méditation et la respiration profonde aident à gérer le stress." } }, { "@type": "Question", "name": "Comment traiter une conduction cardiaque anormale ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements incluent des médicaments antiarythmiques ou la pose d'un pacemaker." } }, { "@type": "Question", "name": "Quels médicaments améliorent la conductivité nerveuse ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Des médicaments comme la gabapentine peuvent aider à améliorer la conduction nerveuse." } }, { "@type": "Question", "name": "Comment la rééducation peut-elle aider la conductivité ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "La rééducation physique peut améliorer la fonction nerveuse et musculaire après une lésion." } }, { "@type": "Question", "name": "Quels suppléments peuvent améliorer la conductivité ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Des suppléments de magnésium et de potassium peuvent aider à réguler la conductivité électrique." } }, { "@type": "Question", "name": "Quel rôle joue l'alimentation dans la conductivité ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation équilibrée riche en électrolytes favorise une bonne conductivité électrique." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec une arythmie ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent l'insuffisance cardiaque, les AVC et les arrêts cardiaques." } }, { "@type": "Question", "name": "Quels risques sont associés à une neuropathie non traitée ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Une neuropathie non traitée peut entraîner des blessures, des infections et des amputations." } }, { "@type": "Question", "name": "Comment une mauvaise conductivité peut-elle affecter le cœur ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Elle peut provoquer des troubles du rythme cardiaque, augmentant le risque d'accidents vasculaires." } }, { "@type": "Question", "name": "Quelles sont les conséquences d'une déshydratation sévère ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Une déshydratation sévère peut entraîner des troubles électrolytiques et des complications cardiaques." } }, { "@type": "Question", "name": "Quels effets une carence en électrolytes peut-elle avoir ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Une carence peut provoquer des crampes, des arythmies et des troubles neurologiques." } }, { "@type": "Question", "name": "Quels facteurs augmentent le risque d'arythmie ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "L'hypertension, le diabète, l'obésité et le tabagisme augmentent le risque d'arythmie." } }, { "@type": "Question", "name": "Comment le diabète affecte-t-il la conductivité nerveuse ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Le diabète peut endommager les nerfs, entraînant une neuropathie et une mauvaise conductivité." } }, { "@type": "Question", "name": "Quels médicaments peuvent affecter la conductivité ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Certains médicaments, comme les diurétiques, peuvent perturber l'équilibre électrolytique." } }, { "@type": "Question", "name": "Quel rôle joue l'âge dans la conductivité cardiaque ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Avec l'âge, le risque de troubles de la conductivité cardiaque augmente en raison de changements physiologiques." } }, { "@type": "Question", "name": "Comment le stress influence-t-il la conductivité ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Le stress chronique peut affecter la conductivité cardiaque et nerveuse, augmentant les risques." } } ] } ] }

Sources (10000 au total)

General population reference values for the Functional Assessment of Cancer Therapy-Lung and PROMIS-29.

Therapeutic advances in lung cancer have turned attention toward patient-reported outcome measures (PROMs) as important clinical outcomes. The Functional Assessment of Cancer Therapy-Lung (FACT-L) is ... Adults from the US general population (N = 2001) were surveyed between September 2020 and November 2020. Surveys contained 126 questions, including the FACT-L [36 items; FACT-G and four subscales (Phy... In the total sample, the reference scores were as follows: PWB = 23.1; SWB = 16.8; EWB = 18.5; FWB = 17.6; FACT-G = 76.0; LCS = 23.0, TOI = 63.7, and FACT-L Total = 99.0. Scores were lower for those r... These data provide US general adult population reference value set for FACT-L. While some of the subscale results were lower than those found in the reference data for other PROMs, these data were obt...

Age-adjusted reference values and influencing factors of cystatin C in healthy Chinese population.

Normative distribution of serum cystatin C and relationship with sex and age in healthy adult Chinese population is unknown.... This is a prospective cohort study. Adult subjects (18 years of age and older) who underwent annual health examination at the Health Management Center in Sir Run Run Hospital were eligible. Subjects w... The final analysis included a total of 10,640 subjects (40 ± 12 years, 52% men). The median serum cystatin C concentration was 0.73 mg/L (95% CI 0.52-1.03 mg/L) in the overall analysis, 0.79 (95% CI 0... The median serum cystatin C concentration was 0.73 (95% CI 0.52-1.03 mg/L) in healthy adult Chinese population, 0.79 (95% CI 0.59-1.07 mg/L) in men, and 0.67 (95% CI 0.49-0.95 mg/L) in women. Elevated...

Reference values of bone mineral density of proximal femur for Southeast Asian children and adolescents.

Bone mineral density (BMD) of the proximal femur helps evaluate bone density in children with reduced mechanical loading of the lower extremities. This study provides the first reference values of bon... Proximal femur scans of 170 boys and 191 girls obtained from DXA (Lunar Prodigy Pro, GE, and software enCORE version 7.53) were un-analyzed and then re-analyzed with the upgraded software enCORE versi... Sex and Tanner stage-specific BMD normative data were generated. BMD values of the femoral neck and total hip increased with age and pubertal progression. FNBMAD values were not markedly influenced by... We established normative reference data for BMD of the proximal femur measured by DXA in Thai children aged 5 to 18 years. Our reference data will help clinicians and researchers assess and interpret ...

Amplitude integrated electroencephalography - Reference values in children aged 2 months to 16 years.

Amplitude integrated electroencephalography (aEEG) is a bedside neuromonitoring tool, standard within neonatal critical care provision. Its application in children is increasing but normative data und... This retrospective observational cohort study derives aEEG normative amplitude characteristics from electroencephalograms (EEGs) recorded in Children's Health Ireland at Crumlin. aEEG was derived from... aEEG amplitudes vary with age and state, increasing over the first 2 years of life before diminishing. Upper and lower margin amplitudes and bandwidth are greater during sleep for children <6 years. R... aEEG traces evolve with age in childhood and differ from neonatal values. We provide a comprehensive set of aEEG normatives to facilitate clinical interpretation in older children....

Comparison of oral hypofunction tests and determination of reference values for a subjective masticatory function test.

In Japan, oral hypofunction has been recognized as a disease since 2018. An alternative to occlusal force testing for assessing oral hypofunction is the evaluation of the number of natural teeth. Subj... The sample consisted of 184 older adults who visited the Department of Geriatric Dentistry, Showa University Dental Hospital, from July 2018 to January 2020. The subjective masticatory function test (... A significant correlation (r) was found between the occlusal force test and the Chewing Score 20 (r = 0.526, p < 0.001). The reference value for Chewing Score 20 was < 85. Although the Chewing Score 2... Herein, a score of < 85 on the subjective masticatory function test was determined to be the optimal quantitative reference. The subjective masticatory function test may be used as an alternative for ...

Reference values for wrist-worn accelerometer physical activity metrics in England children and adolescents.

Over the last decade use of raw acceleration metrics to assess physical activity has increased. Metrics such as Euclidean Norm Minus One (ENMO), and Mean Amplitude Deviation (MAD) can be used to gener... Wrist-worn accelerometer data from 10 studies involving youth aged 5 to 15 y were pooled. Weekday and weekend waking hours were first calculated for youth in school Years (Y) 1&2, Y4&5, Y6&7, and Y8&9... The analytical sample included 1250 participants. Physical activity peaked between ages 6.5-10.5 y, depending on metric. For all metrics the highest activity levels occurred in less active participant... Percentile reference values for average acceleration, intensity gradient, and MX metrics have utility in describing age- and sex-specific values for physical activity volume and intensity in youth. Th...

Relationship between age and handgrip strength: Proposal of reference values from infancy to senescence.

Measurement of hand grip strength (HGS) has been proposed as a key component of frailty and has also been suggested as a central biomarker of healthy aging and a powerful predictor of future morbidity... (a) To determine whether a nonlinear relationship model could improve the prediction of handgrip strength (HGS) compared to the linear model and (b) to propose percentiles to evaluate HGS according to... A cross-sectional descriptive study was developed in a representative sample of the Maule region (Chile). The volunteers amounted to 5,376 participants (2,840 men and 2,536 women), with an age range f... There were no differences in HGS from 6 to 11 years of age in both sexes; however, from 12 years of age onwards, males presented higher HGS values in both hands (...

Reference values for paediatric abdominal aorta on B-mode ultrasound - an outer-to-outer methodology.

B-mode ultrasound is versatile and safe. The sequelae of aortic disorders in children range from stunted growth in hypoplasia to 90% fatality in ruptured aneurysms. Thus, age-based reference values ar... To create age-based reference values of paediatric aorta diameters from B-mode ultrasound using the outer-to-outer method.... A retrospective review was done of records of peak systolic anteroposterior aortic diameters, obtained during abdominal ultrasound in children ages 2 days to 17 years between January 2016 and December... A total of 643 cases (49% female) were recruited into the study. Only 488 cases (76%) had values for the proximal, mid and distal aorta. The cumulative mean age was 9.5±5.1 years while the mean aortic... An age-based paediatric aortic reference table from B-mode ultrasound using outer-to-outer measurement in a Nigerian population is reported....

Radiographic reference values of the central knee anatomy in 8-16-year-old children.

For correction of leg-length discrepancy or angular deformity of the lower limb in skeletally immature patients temporary or permanent (hemi-)epiphysiodesis can be employed. These are reliable treatme... A retrospective analysis of calibrated longstanding anteroposterior radiographs of 254 skeletally immature patients with a chronological age ranging from 8 to 16 years was conducted. The following rad... All observed radiographic parameters were normally distributed with a mean age of 12.4 years (standard deviation [SD] 2, 95% confidence interval [CI] 12.2-12.6). Mean femoral floor angle was 142° (SD ... This study provides new radiographic reference values of the central knee anatomy for children between 8 and 16 years and we suggest considering values within the range of 2 SD as the physiological ra...