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Focal atrial tachycardia (FAT): Consistent, abnormal P wave morphology indicating an ectopic focus. The term FAT is commonly used synonymously with atrial tachycardia, a broader term referring to any form of SVT originating within the atria but outside of the sinus node.
Electrocardiogram (ECG or EKG). This is the most common test to diagnose tachycardia. An ECG shows how the heart is beating. Small sensors, called electrodes, attach to the chest and sometimes the arms and legs. Wires connect the sensors to a computer, which prints or displays results. Holter monitor. A Holter monitor is a small ECG device. It ...
In multifocal atrial tachycardia (MAT), the ECG shows an irregular rhythm with at least 3 different P-wave morphologies, and the average atrial rate is >100 beats/min. 1 This rhythm most often occurs in the setting of severe pulmonary disease or hypomagnesemia.
Atrial tachycardia can sometimes be diagnosed in your physician's office with an electrocardiogram (ECG or EKG). But when atrial tachycardia is an occasional event, an office ECG may be normal. If this is the case, your doctor may give you an ECG monitor to wear at home that will record your heart rhythm over time. These include: Holter monitor ...
EKG can aid the diagnosis of focal atrial tachycardia. EKG features may also inform the origin of focal atrial tachycardias. Electrocardiographic features include:
A healthcare provider can diagnose atrial tachycardia when you have symptoms of a heart rhythm problem. Typically, they’ll want to get an electrocardiogram (EKG), which involves attaching stickers to your chest and obtaining a printout of your heart rhythm at that time.
Atrial tachycardia is defined as a regular atrial activation from atrial areas with centrifugal spread, caused by enhanced automaticity, triggered activity or microreentry. New ECG classification differentiates between focal and macroreentrant atrial tachycardia.