MCG Measurement Using a High-Tc SQUID in Patient with Inferior Infarction

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概要

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• Magnetocardiogram (MCG) measurement using high-Tc SQUID magnetometers is receiving attention as a diagnostic technique for observing the electrical activity of the heart because the instrument is easy to operate and the liquid nitrogen coolant is low in cost compared with the liquid helium used in conventional SQUID magnetometers. In this study, we carried out MCG measurement on ten normal subjects and four patients with inferior infarction, using a 16-channal high-Tc SQUID in a prefabricated, magnetically shielded room. Using isofield contour maps of QRS waves at different times, we were able to locate the signal sources and observe their different variance in the normal subjects and patients with inferior infarction. The result shows that the method using a high-Tc SQUID magnetometer will provide assistance in the diagnosis of cardiac diseases.

• 社団法人日本磁気学会の論文
• 2000-04-15

著者

• Uchikawa Y

  Faculty Of Science And Engineering Tokyo Denki University

• Uchikawa Y.

  Faculty of Science and Engineering, Tokyo Denki University

• KOTANI M.

  Faculty of Engineering, Tokyo Denki University

• Sai K.Y.

  Faculty of Engineering, Tokyo Denki University

• Ohmura K.

  Chiba Hokusoh Hospital, Internal Medicine

• Mizuno K.

  Chiba Hokusoh Hospital, Internal Medicine

• Sai K.y.

  Faculty Of Engineering Tokyo Denki University

• Uchikawa Y.

  Faculty Of Science And Engineering Tokyo Denki University

• Kotani M.

  Faculty Of Engineering Tokyo Denki University

• Ohmura K.

  Chiba Hokusoh Hospital Internal Medicine

関連論文

• Three-Dimensional MEG Measurement
• 3-D MCG Waveform Analysis Based on Wavelet Packets
• Decomposition Of MCG Signals by Use of a Wavelet Transform Based Band Pass filters
• Measurements of the quantities of particles accumulated in the lungs of workers
• Experimental study of the discrimination of two signal sources in the brain by three-dimensional vector magnetic field measurement of a magnetoencephalogram
• MCG Measurement Using a High-Tc SQUID in Patient with Inferior Infarction
• Discussion of Detecting High Frequency Components of The QRS Complex in 3-D MCG Using Wavelet Transform
• Correlation spatial distribution of high frequency components of the QRS complex of MCG
• Analysis of high frequency components of the QRS complex in 3-D MCG using wavelet packets

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