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Background: Alternating cycle length durations are known to be important in the initiation of ventricular arrhythmias. To date this phenomenon has not been demonstrated for paroxysmal atrial fibrillation (PAF).Methods: A database of 177 digitized and analysed 24-hour Holter recordings from pts with PAF was utilised. All episodes =<30 sec noise free AF with 1 min of noise free preceding sinus...
The influence of age and gender on paroxysmal atrial fibrillation (PAF) is previously undocumented.Methods: The heart rate (HR) during PAF in pts on no anti-arrhythmic or rate limiting therapy was analysed. Data were obtained from the database of 177 24-hour Holter recordings which had been analysed to mark the onset and termination of PAF, and converted into RR interval files. Only PAF episodes...
This study was to evaluate the prognostic value of circadian variation of QT intervals (QT) in prediction of sudden cardiac death in patients (pts) after myocardial infarction (MI). Fifteen pairs of post MI pts were studied (age 60 +/- 8 years; 24 men), 15 of whom died suddenly within 1 year after the index MI (SCD) and other 15 remained event-free (survivors) during 1 year follow up. The pairs...
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