Abstract:Dose‐response curves of succinylcholine (SuCh) were obtained in anesthetized patients by means of mechanograms of the flexion‐grip response of the hand to ulnar nerve stimulation. A subparalyzing dose (0.04 mg/kg b.w.) of d‐tubocurarine (d‐TC) administered prior to SuCh (0.025–1.6 mg/kg b.w.) exhibited a shift of the dose‐response curves toward the right, i.e., a diminishing effect on magnitude and duration of the SuCh induced neuromuscular blockade. The effective dose of SuCh required to produce a half‐maxima… Show more
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