immediate amputation

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im·me·di·ate am·pu·ta·tion

performed within 12 hours after the injury, amputation necessitated by irreparable injury to the limb.
References in periodicals archive ?
The emergency room physician recommended immediate amputation of the right foot.
The traditional treatment is immediate amputation and, even with subsequent chemotherapy, the cancer typically metastasizes to the lungs, causing death in 6-12 months.