Macro reentrant atrial tachycardia (Q42394): Difference between revisions
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Arritmia atrial em que há reentrada intra-atrial ou movimento circular em torno de um obstáculo central fixo ou funcional. O obstáculo central pode consistir em estruturas normais (p.ex., valvas) ou anormais (p.ex., cicatrizes)._x000D_ _x000D_ Esta forma de TSV se origina no átrio; a condução para os ventrículos não é necessária para que a taquicardia continue. Um ritmo atrial organizado com uma frequência tipicamente entre 250 e 350 bpm, incluindo taquicardias usando uma variedade de circuitos de reentrada que muitas vezes ocupam grandes áreas do átrio (‘‘macro-reentrada’’). Aqui, a arritmia envolve o istmo cavotricuspídeo. | |||
| description / en | description / en | ||
An atrial arrhythmia in which there is intra-atrial reentry or circus movement around a fixed or functional central obstacle. The central obstacle may consist of normal (e.g. valves) or abnormal (e.g. scar) structures. This form of SVT originates in the atrium; conduction to the ventricles is not necessary for the tachycardia to continue. An organised atrial rhythm with a rate typically between 250 and 350 bpm, including tachycardias using a variety of reentry circuits that often occupy large areas of the atrium ("macro-reentrant"). Here the arrhythmia involves the cavotricuspid isthmus. | |||
Revision as of 08:53, 13 August 2026
An atrial arrhythmia in which there is intra-atrial reentry or circus movement around a fixed or functional central obstacle. The central obstacle may consist of normal (e.g. valves) or abnormal (e.g. scar) structures. This form of SVT originates in the atrium; conduction to the ventricles is not necessary for the tachycardia to continue. An organised atrial rhythm with a rate typically between 250 and 350 bpm, including tachycardias using a variety of reentry circuits that often occupy large areas of the atrium ("macro-reentrant"). Here the arrhythmia involves the cavotricuspid isthmus.
| Language | Label | Description | Also known as |
|---|---|---|---|
| default for all languages | BC81.2 |
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| English | Macro reentrant atrial tachycardia |
An atrial arrhythmia in which there is intra-atrial reentry or circus movement around a fixed or functional central obstacle. The central obstacle may consist of normal (e.g. valves) or abnormal (e.g. scar) structures. This form of SVT originates in the atrium; conduction to the ventricles is not necessary for the tachycardia to continue. An organised atrial rhythm with a rate typically between 250 and 350 bpm, including tachycardias using a variety of reentry circuits that often occupy large areas of the atrium ("macro-reentrant"). Here the arrhythmia involves the cavotricuspid isthmus. |
