J 2006

The effect of psychoemotional load on ventricular repolarization reflected in integral body surface potential maps

KELLEROVA, E., V. REGECOVA, Stanislav KATINA, L.I. TITOMIR, E.A.I. AIDU et. al.

Basic information

Original name

The effect of psychoemotional load on ventricular repolarization reflected in integral body surface potential maps

Authors

KELLEROVA, E. (703 Slovakia, guarantor), V. REGECOVA (703 Slovakia), Stanislav KATINA (703 Slovakia, belonging to the institution), L.I. TITOMIR (643 Russian Federation), E.A.I. AIDU (643 Russian Federation), V.G. TRUNOV (643 Russian Federation) and V. SZATHMARY (703 Slovakia)

Edition

Physiological Research, Prague, Czech Academy of Sciences, 2006, 0862-8408

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

10103 Statistics and probability

Country of publisher

Czech Republic

Confidentiality degree

není předmětem státního či obchodního tajemství

References:

Impact factor

Impact factor: 2.093

RIV identification code

RIV/00216224:14310/06:00061106

Organization unit

Faculty of Science

UT WoS

000243996600011

Keywords in English

Electrocardiology; Depolarization; Repolarization; Body surface potential map; Mental arithmetic stress test

Tags

International impact, Reviewed
Změněno: 21/2/2013 14:17, doc. PaedDr. RNDr. Stanislav Katina, Ph.D.

Abstract

V originále

The aim of the present study was to investigate the reflection of psychoemotional stress in the body surface potential distribution as documented by isointegral maps of cardiac activation and recovery. In 72 young men (18.3+/- 7.3 y.) with no cardiovascular history body surface potential maps (BSPMs) at rest and during the test of mental arithmetic were recorded. The digitalized data for each point of the QRS, STT and QRST integral maps, for each subject in both situations, were processed and evaluated by methods of univariate as well as spatial mathematical and statistical modeling. The results showed during MA a significant decrease of repolarization integral values over the sternum and right precordium, which contributed to analogically localized decrements also in the QRST BSM. The decrease occurred in more than 2/3 of lead points. The most pronounced changes were observed in the right precordial area, where potentials decreased in more than in 70 % of subjects. In conclusion, the discriminative power of the difference STT and QRST integral maps was strong enough to distinguish the mental arithmetic induced changes in the superficial cardiac electric field. These adrenergic transient alterations in ventricular recovery may be of importance in subjects at risk for ventricular arrhythmias.

Links

CZ.1.07/2.2.00/15.0203, interní kód MU
Name: Univerzitní výuka matematiky v měnícím se světě (Acronym: Univerzitní výuka matematiky)
Investor: Ministry of Education, Youth and Sports of the CR, 2.2 Higher education