Figure 4From: Radiated radiofrequency immunity testing of automated external defibrillators - modifications of applicable standards are needed Stored electrogram of AED4 while analyzing a V-Fib input from the patient simulator. RF is stepped from 42 MHz (top left) to 44 MHz (bottom right) at 15 V/m, with 1 Hz pulsed RF. No shock was advised.Back to article page