Abstract：
AIM:Paroxysmal supraventricular tachycardia (PSVT) is a very frequent type of arrhythmia. Atrioventricular nodal reciprocating tachycardia (AVNRT) and atrioventricular reciprocating tachycardia through extranodal accessory pathways (AVRT) are the most common types of paroxysmal supraventricular tachycardia. We describe our experience in diagnosing these tachycardia by electrophysiological transesophageal study (ETS). METHODS:Three hundred patients, 155 men and 145 women, (mean age, 37.2 +/- 16 years), with a history of palpitations underwent clinical evaluation and ETS. The clinical features of those with AVNRT and those with AVRT were compared. RESULTS:Of a total of 300 patients, tachycardia was diagnosed only in 234, of which 136 (58%) had AVNRT and 98 (42%) had AVRT. AVNRT patients were older than those with AVRT (P = or < 0.004); patients with AVRT had palpitations earlier (P = or < 0.0001). Dyspnea and asthenia were the most frequent symptoms in the AVNRT patients (P = or < 0,02; P = or < 0.04). There were statistically significant differences between the two patient groups in Wencke-bach time (P = or < 0.05), ventricular-atrial (V-A) interval (P = or < 0.03) and period of induced tachycardia (P = or < 0.04). CONCLUSIONS:ETS revealed important clinical and electrophysiological differences between patients with AVRT and those with AVNRT.
journal_name
Minerva Cardioangioljournal_title
Minerva cardioangiologicaauthors
Amitrano D,Ammendola E,Cavallaro C,Santangelo Lsubject
Has Abstractpub_date
2006-06-01 00:00:00pages
363-8issue
3eissn
0026-4725issn
1827-1618journal_volume
54pub_type
杂志文章abstract：:In routine clinical practice, a sizeable proportion of patients with suspected coronary artery disease (CAD) undergo coronary angiography without prior non-invasive functional evaluation. In this situation, the decision wheter to perform revascularization is taken solely on the basis of angiographic parameters, which ...
journal_title：Minerva cardioangiologica
pub_type： 杂志文章
doi：
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journal_title：Minerva cardioangiologica
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journal_title：Minerva cardioangiologica
pub_type： 杂志文章,评审
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journal_title：Minerva cardioangiologica
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更新日期：1990-05-01 00:00:00
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pub_type： 杂志文章
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journal_title：Minerva cardioangiologica
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journal_title：Minerva cardioangiologica
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journal_title：Minerva cardioangiologica
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doi：
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