An accessory pathway is an additional electrical connection between two parts of the heart. These pathways can lead to abnormal heart rhythms or arrhythmias associated with symptoms of palpitations. Some pathways may activate a region of ventricular muscle earlier than would normally occur, referred to as pre-excitation, and this may be seen on an electrocardiogram. The combination of an accessory pathway that causes pre-excitation with arrhythmias is known as Wolff-Parkinson-White syndrome.
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| - مسار إضافي (ar)
- Accessory pathway (en)
- Via acessória (pt)
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| - المسار الإضافي أو المسار الزائد (بالإنجليزية: Accessory pathway) هو مسار إضافي لنظام التوصيل الكهربائي للقلب، يتسبب في تغيير خصائص نظام التوصيل، وبالتالي فلديه القدرة على التأثير على دورة القلب. تشمل الحالات التي تنطوي على مسارات إضافية:
* تسرع القلب الانتيابي فوق البطيني
* متلازمة وولف-باركينسون-وايت.
* بوابة طب (ar)
- Uma via acessória é uma via de condução elétrica adicional entre duas partes do coração. A presença de uma via acessória faz com que ocorra condução elétrica além do sistema normal de condução, afetando o ciclo cardíaco. As causas são congénitas. Entre as condições causadas pela presença de vias acessórias estão a síndrome de Wolff-Parkinson-White e a taquicardia paroxística supraventricular. O tipo de via acessória mais comum é o feixe de Kent. (pt)
- An accessory pathway is an additional electrical connection between two parts of the heart. These pathways can lead to abnormal heart rhythms or arrhythmias associated with symptoms of palpitations. Some pathways may activate a region of ventricular muscle earlier than would normally occur, referred to as pre-excitation, and this may be seen on an electrocardiogram. The combination of an accessory pathway that causes pre-excitation with arrhythmias is known as Wolff-Parkinson-White syndrome. (en)
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| - المسار الإضافي أو المسار الزائد (بالإنجليزية: Accessory pathway) هو مسار إضافي لنظام التوصيل الكهربائي للقلب، يتسبب في تغيير خصائص نظام التوصيل، وبالتالي فلديه القدرة على التأثير على دورة القلب. تشمل الحالات التي تنطوي على مسارات إضافية:
* تسرع القلب الانتيابي فوق البطيني
* متلازمة وولف-باركينسون-وايت.
* بوابة طب (ar)
- An accessory pathway is an additional electrical connection between two parts of the heart. These pathways can lead to abnormal heart rhythms or arrhythmias associated with symptoms of palpitations. Some pathways may activate a region of ventricular muscle earlier than would normally occur, referred to as pre-excitation, and this may be seen on an electrocardiogram. The combination of an accessory pathway that causes pre-excitation with arrhythmias is known as Wolff-Parkinson-White syndrome. Accessory pathways are often diagnosed using an electrocardiogram, but characterisation and location of the pathway may require an electrophysiological study. Accessory pathways may not require any treatment, but those causing symptoms may be treated with medication including calcium channel antagonists, beta blockers or flecainide. Alternatively, the electrical conduction through an accessory pathways can be abolished using catheter ablation, potentially offering a permanent cure. (en)
- Uma via acessória é uma via de condução elétrica adicional entre duas partes do coração. A presença de uma via acessória faz com que ocorra condução elétrica além do sistema normal de condução, afetando o ciclo cardíaco. As causas são congénitas. Entre as condições causadas pela presença de vias acessórias estão a síndrome de Wolff-Parkinson-White e a taquicardia paroxística supraventricular. O tipo de via acessória mais comum é o feixe de Kent. (pt)
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