What actually makes MRI loud

That hammering during a 3T brain scan isn’t the magnet — it’s the gradient coils vibrating as the currents switch, which can hit around 110 dB, so we double up earplugs and headphones and lean on ‘quiet’ modes to keep patients comfortable… What tweaks do you use to reduce noise without wrecking image quality — quieter FSE instead of EPI, slight bandwidth changes, or a 70 cm bore for anxious folks?

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But i’ve found that adjusting the timing of the gradient pulses can really help cut down the noise during scans. Just a slight shift in timing can make a big difference without affecting the image quality too much. @username, have you tried experimenting with that approach?

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