Glossary/Diagnostic Tests

Electrophysiology Study.

A test in which catheters with electrodes are placed inside the heart to map its electrical system. Identifies the origin and mechanism of arrhythmias and is often performed immediately before catheter ablation.

Definition

What is electrophysiology study?

A test in which catheters with electrodes are placed inside the heart to map its electrical system. Identifies the origin and mechanism of arrhythmias and is often performed immediately before catheter ablation.

Related Terms

Related glossary terms.

Catheter Ablation
A minimally invasive procedure that uses heat (radiofrequency) or cold (cryoablation) energy deli...
Ventricular Tachycardia
A fast, abnormal heart rhythm originating in the ventricles. Can be life-threatening if sustained...
Atrial Fibrillation
The most common heart rhythm disorder, in which the upper chambers (atria) beat irregularly and o...
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