American heart journal · 1998
Simple electrocardiographic markers for the prediction of paroxysmal idiopathic atrial fibrillation.
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Dilaveris P E, Gialafos E J, Sideris S K, Theopistou A M, Andrikopoulos G K, Kyriakidis M, Gialafos J E, Toutouzas P K
Аннотация
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.
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.