Detail publikačního výsledku

Behavior of Intra-QRS Potentials during Induced Ischemia in Isolated Guinea Pig Hearts

SEKORA, J.; NOVÁKOVÁ, M.; PROVAZNÍK, I.

Originální název

Behavior of Intra-QRS Potentials during Induced Ischemia in Isolated Guinea Pig Hearts

Anglický název

Behavior of Intra-QRS Potentials during Induced Ischemia in Isolated Guinea Pig Hearts

Druh

Stať ve sborníku v databázi WoS či Scopus

Originální abstrakt

Myocardial ischemia causes conduction changes that are often presented in electrocardiographic recording as intra-QRS changes. The present study analyses behavior of amplitude of intra-QRS potentials in the electrographic recording during myocardial ischemia - in its very early stages as well as during developed ischemia presented as ST elevation in ECG curve. The studied potentials are subtle low-amplitude short pulses found within QRS complexes as notches. Their analysis is performed using wavelet transform due to its suitable time-frequency properties. A characteristic pattern of intra-QRS potential behavior during ischemia is described in guinea pig isolated heart experiments.

Anglický abstrakt

Myocardial ischemia causes conduction changes that are often presented in electrocardiographic recording as intra-QRS changes. The present study analyses behavior of amplitude of intra-QRS potentials in the electrographic recording during myocardial ischemia - in its very early stages as well as during developed ischemia presented as ST elevation in ECG curve. The studied potentials are subtle low-amplitude short pulses found within QRS complexes as notches. Their analysis is performed using wavelet transform due to its suitable time-frequency properties. A characteristic pattern of intra-QRS potential behavior during ischemia is described in guinea pig isolated heart experiments.

Klíčová slova

Intra-QRS, Potential, Ischemia, Heart

Klíčová slova v angličtině

Intra-QRS, Potential, Ischemia, Heart

Autoři

SEKORA, J.; NOVÁKOVÁ, M.; PROVAZNÍK, I.

Rok RIV

2011

Vydáno

27.06.2010

Nakladatel

VUT v Brně

Místo

Brno

ISBN

978-80-214-4106-4

Kniha

Analysis of Biomedical Signals and Images

ISSN

1211-412X

Periodikum

Analysis of Biomedical Signals and Images

Svazek

20

Stát

Česká republika

Strany od

447

Strany do

450

Strany počet

4

BibTex

@inproceedings{BUT30367,
  author="Jiří {Sekora} and Marie {Nováková} and Valentýna {Provazník}",
  title="Behavior of Intra-QRS Potentials during Induced Ischemia in Isolated Guinea Pig Hearts",
  booktitle="Analysis of Biomedical Signals and Images",
  year="2010",
  journal="Analysis of Biomedical Signals and Images",
  volume="20",
  number="20",
  pages="447--450",
  publisher="VUT v Brně",
  address="Brno",
  isbn="978-80-214-4106-4",
  issn="1211-412X"
}