System and method for compensating for motion artifacts in a str

Details System and method for compensating for motion artifacts in a str System and method for compensating for motion artifacts in a str

1998-12-07

2000-11-14

Schaetzle, Kennedy

Surgery

Diagnostic testing

Cardiovascular

600411, A61B 50402, A61B 5055

Patent

active

061482293

ABSTRACT:
A system for monitoring an ECG during a patient examination in a strong magnetic field, such as that created by an MRI machine, which eliminates motion artifacts affecting the accurate reading of the ECG. The system modulates the strong magnetic field and then generates an error correction signal substantially equal to the motion artifact signal in timed relationship with the modulated signal that is subtracted from the measured ECG signal to produce a more accurate ECG signal.

REFERENCES:
patent: 5436564 (1995-07-01), Kreger et al.
patent: 6043650 (2000-03-01), Taniguchi et al.
patent: 6052614 (2000-04-01), Morris, Sr. et al.
patent: 6073041 (2000-06-01), Hu et al.
"Optimizing Electrocardiograph Electrode Placement for Cardiac-Gated Magnetic Resonance Imaging" by Dimick et al., Investigative Radiology, Jan. 1987, vol. 2, pp. 17-22.
"ECG Monitoring in MRI to Detect Cardiac Ischemia", Request For Proposal By the Department of Health and Human Services, Research Grant (date unknown) .

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