David Prutchi1, Jason Meyers1, and Ramez Shehada2
1Impulse Dynamics (USA) Inc., Marlton, NJ, United States, 2Medical Technology Laboratories, La Mirada, CA, United States
1Impulse Dynamics (USA) Inc., Marlton, NJ, United States, 2Medical Technology Laboratories, La Mirada, CA, United States
Body fluids change the peak impedance of implanted leads at
MR frequencies, making it critical to precondition leads by soaking in isotonic
saline is critical prior to conducting MR safety testing in-vitro.
Figure 1: Magnitude and phase of
the Biotronik and Abbott leads before and after soaking for over 10 days in
isotonic saline solution
Table 1: Characteristic Impedance at
63.87 MHz of pacemaker leads before and after being soaked for over 10 days in
saline solution
