Change description : 2026-01-22 10:52:00: • Updating the quality assurance management structure• specification for the frequency range of probes• changes to the in-air reverberation pattern test • quantitative values for spatial resolution limits and low contrast penetration limits• changes to the calliper accuracy tolerance• advice on the procurement of pre-owned ultrasound equipment• advice on speed of sound settings• advice on advanced imaging technologies [Guidance and regulation]
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Use this document to make sure ultrasound scanning equipment meets the standards required for the NHS breast screening programme.