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Download Atrioventricular Reentrant Tachycardia (AVRT)
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Transcript
Patient Information Atrioventricular Reentrant Tachycardia (AVRT) BACKGROUND INFORMATION • • • • • • • This is a heart rhythm condition in which the heart rate can become abnormally fast This is a type of supraventricular tachycardia (SVT). This is related to an abnormal “short circuit” in the electrical connections of the heart between the atria and the ventricles (heart chambers.) Episodes of fast heart rates tend to be brief - usually minutes in duration - but can be longer. Generally not dangerous (this will not cause a cardiac arrest), although certainly can be associated with very bothersome symptoms. Can occur in patients of all ages. Not necessarily associated with other heart problems. SYMPTOMS • • • • Palpitations; perception of a fast or forceful heart beat Chest discomfort Shortness of breath Lightheadedness DIAGNOSTIC TESTS • • • EKG Heart rhythm monitor - a Holter or Event monitor Electrophysiologic (“EP”) study - an invasive catheter-based procedure where the doctor can “map” out the electrical system of the heart TREATMENT • • • Vagal maneuvers (bearing down, forceful coughing) can stop episodes of fast heartbeat. Medications that slow down the heart rate (beta blockers, calcium channel blockers.) Radiofrequency ablation, which is most often curative, involves essentially cauterizing inside the heart at the site of the “short circuit.” Part of an EP study, see above. FOR MORE INFORMATION or to make an appointment at URMC Cardiology at Highland Hospital, please call (585) 341-6780 or visit us online at www.highlandheart.urmc.edu Page 1 Rev 2.0