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Disciplines des sciences naturelles
Disciplines des sciences biologiques
Physiologie
Électrophysiologie
Électrophysiologie : Questions médicales fréquentes
Termes MeSH sélectionnés :
Cerebrovascular Circulation
Diagnostic
5
Arythmie
Électrocardiogramme
Électrophysiologie
Holter
Étude électrophysiologique
Cardiologie
Conduction cardiaque
Échocardiographie
Symptômes
5
Fibrillation auriculaire
Douleurs thoraciques
Bloc cardiaque
Évanouissements
Arythmie ventriculaire
Douleurs thoraciques
Prévention
5
Prévention des maladies
Mode de vie sain
Exercice physique
Santé cardiaque
Alimentation
Santé cardiaque
Alcool
Pression artérielle
Traitements
5
Médicaments antiarythmiques
Cardioversion
Ablation
Tissus cardiaques
Anticoagulants
Bêtabloquants
Stimulateur cardiaque
Bradycardie
Cardioversion
Rythme cardiaque
Complications
5
AVC
Insuffisance cardiaque
Insuffisance cardiaque
Arythmies
Fibrillation auriculaire
AVC
Facteurs de risque
5
Tabagisme
Vaisseaux sanguins
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"name": "Quels tests sont utilisés en électrophysiologie ?",
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"@type": "Question",
"name": "Quels signes indiquent un problème électrique ?",
"position": 4,
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"@type": "Question",
"name": "Comment évaluer la conduction cardiaque ?",
"position": 5,
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"@type": "Question",
"name": "Quels sont les symptômes d'une tachycardie ?",
"position": 6,
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"@type": "Question",
"name": "Quels symptômes d'une fibrillation auriculaire ?",
"position": 8,
"acceptedAnswer": {
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"text": "Les symptômes incluent des palpitations, une fatigue et des douleurs thoraciques."
}
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{
"@type": "Question",
"name": "Quels signes d'un bloc cardiaque ?",
"position": 9,
"acceptedAnswer": {
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}
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{
"@type": "Question",
"name": "Quels symptômes d'une arythmie ventriculaire ?",
"position": 10,
"acceptedAnswer": {
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"text": "Les symptômes peuvent inclure des palpitations, des douleurs thoraciques et des évanouissements."
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{
"@type": "Question",
"name": "Comment prévenir les arythmies ?",
"position": 11,
"acceptedAnswer": {
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"text": "Maintenir un mode de vie sain, éviter le tabac et gérer le stress aide à prévenir."
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{
"@type": "Question",
"name": "Quel rôle joue l'exercice dans la prévention ?",
"position": 12,
"acceptedAnswer": {
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"text": "L'exercice régulier améliore la santé cardiaque et réduit le risque d'arythmies."
}
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{
"@type": "Question",
"name": "Comment l'alimentation influence-t-elle le cœur ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une alimentation équilibrée riche en oméga-3 et en fibres favorise la santé cardiaque."
}
},
{
"@type": "Question",
"name": "Pourquoi éviter l'alcool pour le cœur ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'alcool peut provoquer des arythmies et affecter la pression artérielle."
}
},
{
"@type": "Question",
"name": "Quel impact du stress sur le cœur ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le stress chronique peut déclencher des arythmies et affecter la santé cardiaque."
}
},
{
"@type": "Question",
"name": "Quels traitements pour les arythmies ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les traitements incluent des médicaments, des cardioversion et des ablations."
}
},
{
"@type": "Question",
"name": "Comment fonctionne l'ablation cardiaque ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'ablation détruit les tissus responsables des arythmies à l'aide de chaleur ou de froid."
}
},
{
"@type": "Question",
"name": "Quels médicaments pour la fibrillation auriculaire ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les anticoagulants et les bêtabloquants sont souvent prescrits."
}
},
{
"@type": "Question",
"name": "Quand utiliser un stimulateur cardiaque ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un stimulateur est utilisé pour traiter les bradycardies et certains blocages."
}
},
{
"@type": "Question",
"name": "Qu'est-ce que la cardioversion ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "C'est une procédure pour rétablir un rythme cardiaque normal par choc électrique."
}
},
{
"@type": "Question",
"name": "Quelles complications des arythmies ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications incluent AVC, insuffisance cardiaque et mort subite."
}
},
{
"@type": "Question",
"name": "Comment l'arythmie peut-elle causer un AVC ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les caillots peuvent se former dans le cœur et se déplacer vers le cerveau."
}
},
{
"@type": "Question",
"name": "Quels risques d'insuffisance cardiaque ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les arythmies non traitées peuvent affaiblir le cœur et mener à une insuffisance cardiaque."
}
},
{
"@type": "Question",
"name": "Quelles sont les conséquences d'une fibrillation auriculaire ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle augmente le risque d'AVC et d'insuffisance cardiaque si non traitée."
}
},
{
"@type": "Question",
"name": "Comment prévenir les complications des arythmies ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Un suivi médical régulier et un traitement approprié aident à prévenir les complications."
}
},
{
"@type": "Question",
"name": "Quels sont les facteurs de risque d'arythmies ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent l'hypertension, le diabète, et les antécédents familiaux."
}
},
{
"@type": "Question",
"name": "Quel rôle joue l'âge dans les arythmies ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le risque d'arythmies augmente avec l'âge en raison de changements cardiaques."
}
},
{
"@type": "Question",
"name": "Comment le tabagisme affecte-t-il le cœur ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le tabagisme endommage les vaisseaux sanguins et augmente le risque d'arythmies."
}
},
{
"@type": "Question",
"name": "Quel impact du surpoids sur la santé cardiaque ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le surpoids augmente le risque d'hypertension et d'arythmies cardiaques."
}
},
{
"@type": "Question",
"name": "Comment le stress influence-t-il le cœur ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le stress chronique peut provoquer des arythmies et affecter la santé cardiaque."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 12/03/2025
Contenu vérifié selon les dernières recommandations médicales
3 publications dans cette catégorie
Affiliations :
Human Motor Control Section, National Institute of Neurological Disorders and Stroke National Institutes of Health Bethesda Maryland USA.
Publications dans "Électrophysiologie" :
3 publications dans cette catégorie
Affiliations :
Department of Clinical Neurosciences, Alberta Children's Hospital Research Institute and Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, Canada.
Publications dans "Électrophysiologie" :
2 publications dans cette catégorie
Affiliations :
Human Motor Control Section, National Institute of Neurological Disorders and Stroke National Institutes of Health Bethesda Maryland USA.
Facultad de Medicina Clínica Alemana Universidad del Desarrollo Santiago Chile.
Publications dans "Électrophysiologie" :
2 publications dans cette catégorie
Affiliations :
Human Motor Control Section, National Institute of Neurological Disorders and Stroke National Institutes of Health Bethesda Maryland USA.
Publications dans "Électrophysiologie" :
2 publications dans cette catégorie
Affiliations :
Office of the Clinical Director National Institute of Neurological Disorders and Stroke, National Institutes of Health Bethesda Maryland USA.
Publications dans "Électrophysiologie" :
2 publications dans cette catégorie
Affiliations :
Montreal Heart Institute and Université de Montréal, Quebec, Canada (S.N.).
Publications dans "Électrophysiologie" :
2 publications dans cette catégorie
Affiliations :
Department of Biomedical Engineering and Institute for Computational Medicine, Johns Hopkins University, Baltimore, MD (N.A.T.).
Publications dans "Électrophysiologie" :
2 publications dans cette catégorie
Affiliations :
Cardiovascular Medicine, Department of Medicine, Stanford University School of Medicine, CA (P.J.W.).
Publications dans "Électrophysiologie" :
2 publications dans cette catégorie
Affiliations :
Department of Neurology Medical University of South Carolina Charleston South Carolina USA.
Publications dans "Électrophysiologie" :
2 publications dans cette catégorie
Affiliations :
Department of Clinical Neurosciences, Alberta Children's Hospital Research Institute and Hotchkiss Brain Institute, Cumming School of Medicine, University of Calgary, Calgary, Canada. eder.gambeta@gmail.com.
Publications dans "Électrophysiologie" :
2 publications dans cette catégorie
Affiliations :
Department of Pathophysiology, Third Faculty of Medicine, Charles University, Prague, Czech Republic.
Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Prague, Czech Republic.
Publications dans "Électrophysiologie" :
2 publications dans cette catégorie
Affiliations :
Department of Pathophysiology, Third Faculty of Medicine, Charles University, Prague, Czech Republic. nalweiss@gmail.com.
Publications dans "Électrophysiologie" :
2 publications dans cette catégorie
Affiliations :
Department of Neurology, Mayo Clinic, Rochester, MN, USA.
Publications dans "Électrophysiologie" :
2 publications dans cette catégorie
Affiliations :
Department of Neurology, National Taiwan University Hospital Hsin-Chu Branch, Hsin-Chu, Taiwan. Electronic address: stanleychen1230@gmail.com.
Publications dans "Électrophysiologie" :
2 publications dans cette catégorie
Affiliations :
IHU Liryc, Electrophysiology and Heart Modeling Institute, Fondation Bordeaux Université, Pessac- Bordeaux, France.
Univ. Bordeaux, IMB, UMR 5251, Talence, France.
Publications dans "Électrophysiologie" :
1 publication dans cette catégorie
Affiliations :
Department of Ophthalmology, Otorhinolaryngology and Head and Neck Surgery, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto.
Publications dans "Électrophysiologie" :
1 publication dans cette catégorie
Affiliations :
Department of Ophthalmology, Otorhinolaryngology and Head and Neck Surgery, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto.
Publications dans "Électrophysiologie" :
1 publication dans cette catégorie
Affiliations :
Department of Ophthalmology and Visual Science, Federal University of São Paulo, São Paulo, SP, Brazil.
Publications dans "Électrophysiologie" :
1 publication dans cette catégorie
Affiliations :
Department of Ophthalmology, Otorhinolaryngology and Head and Neck Surgery, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto.
Publications dans "Électrophysiologie" :
1 publication dans cette catégorie
Affiliations :
Department of Ophthalmology, Otorhinolaryngology and Head and Neck Surgery, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto.
Publications dans "Électrophysiologie" :
Cerebrovascular reactivity (CVR) reflects the change in cerebral blood flow in response to vasodilatory stimuli enabling assessment of the health of the cerebral vasculature. Recent advances in the qu...
Traumatic brain injury is a complex and highly heterogeneous disease due to the host of concomitant injuries that may accompany the initial insult. Due to the dynamic interplay between the injuries th...
To explore the imaging and transcranial Doppler cerebral blood flow characteristics of cerebrovascular fenestration malformation and its relationship with the occurrence of ischemic cerebrovascular di...
A retrospective analysis was conducted on the imaging data of 194 patients with cerebrovascular fenestration malformation who visited the Heyuan People's Hospital from July 2021 to July 2023. The loca...
A total of 194 patients with cerebral vascular fenestration malformation were found. Among the artery fenestration malformation, basilar artery fenestration was the most common, accounting for 46.08% ...
Cerebrovascular fenestration malformation is most common in the basilar artery. Cerebrovascular fenestration malformation may also be associated with other cerebrovascular malformations. Standardized ...
Spinal cord injuries (SCI) often result in cardiovascular issues, increasing the risk of stroke and cognitive deficits....
This study assessed cerebrovascular reactivity (CVR) using functional magnetic resonance imaging (fMRI) during a hypercapnic challenge in SCI participants compared to noninjured controls....
Fourteen participants were analyzed (...
The results showed a longer CVR component (tau) in the grey matter of SCI participants (...
Preliminary findings suggest a difference in the dynamic CVR component, tau, between the SCI and noninjured control groups, potentially explaining the higher cerebrovascular health burden in SCI indiv...
The relationship between cerebral blood flow and blood pressure is a critical part of investigation of cerebral autoregulation. Conventionally, cerebrovascular resistance (CVR) has been used to descri...
Fabry disease (FD) is a rare X-linked lysosomal storage disorder with variable phenotypes, including neurological symptoms. These can be influenced by vascular impairment. Extracranial and transcrania...
This is a single-center, cross-sectional study of 130 subjects-65 patients (38 females), with genetically confirmed FD, and 65 sex- and age-matched controls. Using ultrasonography, we measured structu...
In comparison to sex- and age-matched controls, FD patients displayed significantly increased carotid artery intima-media thickness (observed FD 0.69 ± 0.13 mm versus controls 0.63 ± 0.12 mm; P...
Our results suggest the presence of multiple vascular abnormalities and changes in hemodynamic parameters of cerebral arteries in patients with FD....
Respiration disturbs cardiovascular and cerebrovascular controls but its role is not fully elucidated....
Respiration can be classified as a confounder if its observation reduces the strength of the causal relationship from source to target. Respiration is a suppressor if the opposite situation holds. We ...
Respiration behaved systematically as a confounder for cardiovascular and cerebrovascular controls. In addition, its role was affected by propofol-based general anesthesia but not by a postural stimul...
The C/S test can be fruitfully exploited to categorize the role of respiration over causal variability interactions....
The application of the C/S test could favor the comprehension of the role of respiration in cardiovascular and cerebrovascular regulations....
To expand previous understanding of age-related vascular changes, we examined the association between aging and characteristics of cerebral arteries among 1133 participants aged 35 to 75 years recruit...
Maturational differences exist in cardiopulmonary and cerebrovascular function at sea-level, but the impact of maturation on acclimatization responses to high altitude is unknown. Ten children (9.8 ± ...
During hyperthermia, the perturbations in mean arterial blood pressure (MAP) produced by the Valsalva manoeuvre (VM) are more severe. However, whether these more severe VM-induced changes in MAP are t...
Healthy participants (n = 12, 1 female, mean ± SD: age 24 ± 3 years) completed a 30 mmHg (mouth pressure) VM for 15 s whilst supine during normothermia and mild hyperthermia. Hyperthermia was induced ...
Passive heating significantly raised core temperature from baseline (37.9 ± 0.2 vs. 37.1 ± 0.1°C at rest, p < 0.01). MAP during phases I through III of the VM was lower during hyperthermia (interactio...
These data indicate that the cerebrovascular response to the VM is largely unchanged by mild hyperthermia....