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Abstract #1838

LARFET (Low Amplitude RF at Echo Time) for Catheter Tracking

Murat Tmer1, Baykal Sarioglu2, Senol Mutlu2, Arda Yalcinkaya2, Cengizhan Ozturk1

1Institute of Biomedical Enginering, Bogazii University, Istanbul, Turkey; 2Electrical and Electronics Enginering, Bogazii University, Istanbul, Turkey

In this work we propose utilization of a very low amplitude, rectangular and off-center RF pulse applied during echo detection, LARFET (Low Amplitude RF at Echo Time), that can be used as the reference for frequency downconversion at the catheter tip. With frequency downconversion the signal losses during transmission are lowered and the frequency analysis to extract the location information is simplified.