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Journals and Conferences
OBJECTIVES To investigate a noninvasive technique to localize the atrial insertion site of concealed accessory pathways based on the analysis of body surface potential maps (BSPMs) of retrograde P waves in dogs with simulated retrograde pathways. ANIMALS AND METHODS Orthodromic tachycardias were simulated by atrial stimulations at eight different sites… (More)
Vasoactive intestinal polypeptide (VIP) was either injected intravenously (300 pmol.kg-1) or perfused (1 nmol in 1 min) into the sinus node artery (SNA) in anesthetized dogs to study its effect on subsidiary atrial pacemakers. Isochronal maps were obtained from 128 unipolar electrograms recorded on the epicardial surface of both atria in nine animals. When… (More)
A case of a runaway pacemaker with intermittent nonoutput failure of a VVI Intermedics pacemaker is presented. This is the first report of such a phenomenon in that type of pacemaker with no apparent reason other than approaching battery end-of-life. The reported case warrants a close follow-up of patients with the same type of device.
There are only a few reported cases of a pacemaker lead migrating inadvertently into the left atrium or ventricle. An unusual complication of unremoved, unwanted pacemaker lead is presented. The free tip of the lead caused cerebral embolism after perforating the interatrial septum.
BACKGROUND Potential losses caused by stable non-Q-wave myocardial infarction (MI) are too small to diagnose with the use of standard ECG. The aim of the present study was to obtain accurate diagnostic criteria for this prognostically important disease with the help of body surface mapping. METHODS AND RESULTS Body surface potentials were recorded with… (More)
In the past 15 years five neonates and children have been treated for high vaginal atresia at the Surgical Unit of Department of Pediatrics, University Medical School, Pécs, Hungary. In three of the six patients distal atresia of the vagina was found (Type III). Two of the three were neonates and had a large hydrometrocolpos and the third, a 13-year-old… (More)
A case of QT duration dependent T wave oversensing mimicking QRS undersensing and pacemaker malfunction is presented. This example indicates that interpretation of pacemaker ECG may be difficult, even in case of VVI pacemaker.