Table 1 Safety standards for time-varying magnetic fields developed by the International Electrotechnical Commission (IEC)
From: Biological effects of exposure to magnetic resonance imaging: an overview
Ramp duration (t) | Magnetic field variation (dB/dt) |
|---|---|
t > 120 μs |
|
12 μs ≤ t < 120 μs |
|
t < 12 μs |
|
