[The effect of various stressors on the QT-interval and the T-wave].
作者： Gábor Andrássy
关键词:
摘要: A megnyult QT-idő veszelyes ritmuszavarokhoz vezethet, es hirtelen halalt is okozhat. Azonban sem a szivfrekvencia kozotti kapcsolat (QT-korrekcio), mentalis stressz QT-időre gyakorolt hatasa nincs tisztazva. Celkitűzes: Vizsgaltam QT-időnek dohanyzassal, cardiovascularis reaktivitassal, stresszel valo osszefuggeset, valamint QT-korrekcio ujabb modszereit. Modszer: Hat laboratoriumi kiserletet vegeztem 166 onkentessel. Stresszorkent dohanyzast, futoszőnyeg-terhelest, szamoltatast videojatekot alkalmaztam. QT-korrekciot preformalt kepletek mellett vizsgalat, egyenspecifikus modszerekkel vegeztem. Eredmenyek: 1. QT-idők osszehasonlitasara Bazett-formula alkalmatlan. 2. Az akut dohanyzas nem hat korrigalt QT-időre. 3. QT-idő-valtozasok osszefuggnek az egyeni reaktivitassal. 4. QT-megnyulast 5. Mentalis izometrias alatt sokszor jelentkezik T-hullam-hasadtsag. Kovetkeztetesek: QT-korrekc...
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