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Am Heart J. 1998 May;135(5 Pt 1):733-8.

Simple electrocardiographic markers for the prediction of paroxysmal idiopathic atrial fibrillation.

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  • 1State Department of Cardiology, Hippokration Hospital, Athens, Greece.

Abstract

BACKGROUND:

The prolongation of intraatrial and interatrial conduction time and the inhomogeneous propagation of sinus impulses are well known electrophysiologic characteristics in patients with paroxysmal atrial fibrillation (PAF).

METHODS:

To search for possible electrocardiographic markers that could serve as predictors of idiopathic PAF, we measured the maximum P-wave duration (P maximum) and the difference between the maximum and the minimum P-wave duration (P dispersion) from the 12-lead surface electrocardiogram of 60 patients with a history of idiopathic PAF and 40 age-matched healthy control subjects.

RESULTS:

P maximum and P dispersion were found to be significantly higher in patients with idiopathic PAF than in control subjects. A P maximum value of 110 msec and a P dispersion value of 40 msec separated patients from control subjects, with a sensitivity of 88% and 83% and a specificity of 75% and 85%, respectively.

CONCLUSIONS:

P maximum and P dispersion are simple electrocardiographic markers that could be used for the prediction of idiopathic PAF.

PMID:
9588401
[PubMed - indexed for MEDLINE]
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