for all ACGME-accredited residency programs. 2,3 Work limitations for residents included no more than 80 hours per week, with 1 day in 7 free of all duties, averaged over 4 weeks; no more than 24 continuous hours with an additional 6 hours for education and transfer of care; in-house call no more frequently than every third night; and at least 10 hours of rest between duty periods. 2 Although there is extensive scientific evidence linking fatigue and impaired cognitive performance, 4-9 little empirical data guided the design of the duty hour regulations, 10,11 and the design itself remains controversial, 12,13 with contrasting views as to whether the duty See also pp 984 and 1055.
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