M.D. Anderson Cancer Center
In myocardial perfusion imaging, high-frequency QRS electrocardiogram predicts perfusion defects
Published in Cardiovascular Device Liability Week, April 9th, 2006
According to recent research from the United States, "Changes in high-frequency (HF) QRS components of the electrocardiogram (ECG) (150-250 Hz) are more sensitive than changes in conventional ST segments for detecting myocardial ischemia."
M.A. Rahman and colleagues at the M.D. Anderson Cancer Center explained, "We investigated the accuracy of 12-lead HF QRS ECG in detecting perfusion defects during adenosine tetrofosmin myocardial perfusion imaging (MPI). 12-lead HE QRS ECG recordings were obtained from 45 patients before and during adenosine...
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