Heart Rhythm Testing - University of Minnesota Physicians Heart at Fairview

Invasive Testing

Electrophysiology study

– or EP study, requires the insertion of a catheter (long, thin, flexible tube) into the heart. Electrical stimulation with the catheter in different locations in the heart is useful to diagnose slow or rapid heartbeats.

Implantable loop recorder

– is put under the skin for anywhere from one to three years. It is reserved for people who have very infrequent symptoms.

Pacemakers and defibrillators

– designed to treat slow heartbeats, these devices can detect tachycardia, supraventricular tachycardia and atrial fibrillation, all rapid heartbeats. The diagnostics built into a pacemaker assume a different role. Detection is a byproduct of the pacemaker’s treatment ability.

 

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