Global ETD Search
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Showing 1 to 4 of 4 for “"ATRIAL PACING"”.
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ΟΙ ΜΕΤΑΒΟΛΕΣ ΤΟΥ ΔΥΝΑΜΙΚΟΥ ΤΟΥ ΕΠΑΡΜΑΤΟΣ R ΣΤΟ ΗΛΕΚΤΡΟΚΑΡΔΙΟΓΡΑΦΗΜΑ ΣΑΝ ΔΕΙΚΤΗΣ ΛΕΙΤΟΥΡΓΙΚΟΤΗΤΑΣ ΤΗΣ ΑΡΙΣΤΕΡΗΣ ΚΟΙΛΙΑΣ (ΜΕΛΕΤΗ ΣΕ ΣΥΓΓΕΝΕΙΣ ΚΑΡΔΙΟΠΑΘΕΙΕΣ, ΒΑΛΒΙΔΙΚΕΣ ΠΑΘΗΣΕΙΣ ΚΑΙ ΣΤΕΦΑΝΙΑΙΑ ΝΟΣΟ)
… WHO UNDERWENT CARDIAC CATHETERIZATION AND ATRIAL PACING WERE STUDIED. THE FINDINGS WERE: 1) THE INCREASE OR DECREASE OF THE AMPLITUDE OF THE R WAVE DURING TACHYCARDIA OR FOLLOWING ATRIAL PACING IS AN INDEX OF BAD OR GOOD LEFT VENTRICULAR FUNCTIONAL STATE. 2) THIS CHANGE OF THE R WAVE …
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Regional myocardial perfusion : experimental and clinical studies in patients with coronary artery disease
… regional myocardial perfusion at rest and during atrial pacing has been measured using krypton-81m. The results have shown that stable mixing and delivered arterial concentration of krypton-81m can be achieved in the patients. Fifteen patients with negative exercise tests all demonstrated uniform …
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Vectorcardiographic evaluation of ventricular repolarization in healthy individuals and LQTS mutation carriers
… In healthy individuals the pure HR increase by atrial pacing decreased the heterogeneity of action potential (AP) morphology and VR, while similar increase in HR by β-adrenoceptor stimulation or vagal withdrawal had different effects on VR and resulted in changes that could increase arrhythmia …