Device designation | Type of interference observed | Field strength for worst-case failure (V/m) | Modulation (Hz) | Frequency range of failure (MHz) | Device's behavior (Observations from user standpoint) | Notes |
---|---|---|---|---|---|---|
AED7 | False negative | 16 | 1 Hz pulsed (square wave) | 38-43 | Voice prompt- "check electrode pads". Flat line for ECG displayed on LCD; | V-Fib Applied -No shock advised ECG printout garbled "Pads off" annotation |