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Atrial Tachycardia
Aka: Atrial Tachycardia, Multifocal Atrial Tachycardia- Definition
- Form of Supraventricular Tachycardia (10% of cases) with increased automaticity
- Findings: General
- Heart Rate 130 to 180 (up to 250)
- Types
- Atrial Tachycardia
- Focal
- Macroentrant
- Multifocal Atrial Tachycardia
- Irregular narrow complex rhythm with 3 or more different P Wave morphologies
- Atrial Tachycardia
- Causes: Multifocal Atrial Tachycardia
- Causes: Enlarged atrium
- Chronic lung disease
- Congestive Heart Failure
- Causes: Other
- Acid-base disturbance
- Electrolyte abnormalities
- Causes: Enlarged atrium
- References
Atrial tachycardia (C0546959) |
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|---|---|
| Definition (NCI) | Any rapid heart rhythm originating in the atria. Atrial fibrillation and atrial flutter are varieties of atrial tachycardia. Atrial tachycardia is an electrical circuit originating in the upper or atrial chambers. This electrical circuit or focus takes over and generates rapid impulses across the atrial chambers. These impulses are transmitted to the ventricular chambers resulting in a rapid rate. These arrhythmias may originate from a variety of places across the atria. They may exist as an isolated problem or be related to an ongoing structural problem within the heart. (NCI) |
| Definition (NCI) | Any rapid heart rhythm originating in the atria. Atrial fibrillation and atrial flutter are varieties of atrial tachycardia. |
| Concepts | Pathologic Function (T046) |
| SnomedCT | 276796006, 23899004 |
| English | TACHYCARDIA ATRIAL, Atrial tachycardia, NOS, atrial tachycardia, ATRIAL TACHYCARDIA, Atrial tachycardia, Tachycardia atrial, atrial tachycardias, tachycardia atrial, Atrial tachycardia (disorder), atrium; tachycardia, auricular; tachycardia, tachycardia; atrial, tachycardia; auricular, Atrial Tachycardia |
| Italian | Tachicardia atriale |
| French | Tachycardie auriculaire, TACHYCARDIE AURICULAIRE, Tachysystolie auriculaire |
| German | Tachykardie Vorhof, TACHYKARDIE VORHOF, Vorhoftachykardie |
| Japanese | 心房頻脈, ｼﾝﾎﾞｳﾋﾝﾐｬｸ |
| Portuguese | TAQUICARDIA AURICULAR, Taquicardia auricular |
| Spanish | TAQUICARDIA AURICULAR, taquicardia auricular (trastorno), taquicardia auricular, Taquicardia auricular |
| Czech | Síňová tachykardie, Tachykardie síňová |
| Hungarian | Pitvari tachycardia |
| Dutch | atrium; tachycardie, auriculair; tachycardie, tachycardie; atrium, tachycardie; auriculair, atriumtachycardie |
| Sources |
Derived from the NIH UMLS (Unified Medical Language System) |
Multifocal atrial tachycardia (C0221158) |
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|---|---|
| Definition (NCI) | An electrocardiographic finding in which the electrical axis of the p wave is variable and the rate is greater than 100 beats per minute. To meet criteria for multifocal atrial tachycardia, the p wave must exhibit three distinct morphologies on the rhythm strip. |
| Definition (NCI) | An electrocardiographic finding in which the electrical axis of the p wave is variable and the rate is greater than 100 beats per minute. To meet criteria for multifocal atrial tachycardia, the p wave must exhibit three distinct morphologies on the rhythm strip. (NCI) |
| Concepts | Disease or Syndrome (T047) |
| SnomedCT | 49982000 |
| Dutch | multifocale atriumtachycardie |
| French | Tachycardie auriculaire multifocale |
| German | multifokale Vorhoftachykardie |
| Italian | Tachicardia atriale multifocale |
| Portuguese | Taquicardia auricular multifocal |
| Spanish | Taquicardia auricular multifocal, taquicardia auricular multifocal (trastorno), taquicardia auricular multifocal |
| Japanese | 多源性心房頻脈, ﾀｹﾞﾝｾｲｼﾝﾎﾞｳﾋﾝﾐｬｸ |
| English | multifocal atrial tachycardia, multifocal atrial tachycardia (diagnosis), MULTIFOCAL ATRIAL TACHYCARDIA, Multifocal Atrial Tachycardia, ATRIAL TACHYCARDIA MULTIFOCAL, Multifocal atrial tachycardia, Multifocal atrial tachycardia (disorder) |
| Czech | Multifokální síňová tachykardie |
| Hungarian | Multifocalis pitvari tachycardia |
| Sources |
Derived from the NIH UMLS (Unified Medical Language System) |