atrial tachycardia

atrial tachycardia
tachycardia originating from an atrial locus, usually having between 160 and 190 beats per minute; it may result from enhanced automaticity or impulse reentry.

Medical dictionary. 2011.

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  • Multifocal atrial tachycardia — For other uses, see MAT (disambiguation). Multifocal atrial tachycardia Classification and external resources ICD 9 427.89 eMedicine article/759135 Multifocal atrial tachycardia …   Wikipedia

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  • paroxysmal atrial tachycardia — paroxysmal supraventricular tachycardia (PSVT) supraventricular tachycardia occurring in attacks of rapid onset and cessation; it usually is due to a reentrant circuit …   Medical dictionary

  • multifocal atrial tachycardia — (MAT) chaotic atrial t …   Medical dictionary

  • Tachycardia — A rapid heart rate, usually defined as greater than 100 beats per minute. The tachycardias include sinus tachycardia, paroxysmal atrial tachycardia (PAT), and ventricular tachycardia. Sinus tachycardia is due to rapid firing of a normal structure …   Medical dictionary

  • Atrial fibrillation with rapid ventricular response — (afib with RVR) is a type of abnormally fast heart rate (tachyarrhythmia) that may present as a medical emergency. It may be considered a form of supraventricular tachycardia(SVT). It is characterized by chaotic atrial activity known as atrial… …   Wikipedia

  • Atrial flutter — is an abnormal heart rhythm that occurs in the atria of the heart. When it first occurs, it is usually associated with a fast heart rate or tachycardia, and falls into the category of supra ventricular tachycardias. While this rhythm occurs most… …   Wikipedia

  • Paroxysmal atrial tachycardia (PAT) — Bouts of rapid, regular heart beating originating in the atrium (upper chamber of the heart). Due to abnormalities in the AV node "relay station" that lead to rapid firing of electrical impulses from the atrium which bypass the AV node… …   Medical dictionary

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