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This RCT will add to our understanding of the roles of different imaging modalities in triaging patients with suspected angina. It will increase the CER evidence base comparing SE and CTA and provide insight into potential benefits and limitations of appropriate use of treadmill SE in the ED.

Pancuronium bromide was used in 49 patients undergoing repeat elective Caesarean section. In 26 patients who received only pancuronium 0.1 mg kg-1, pancuronium was detected in all umbilical venous or arterial samples (0.12 micrograms ml-1). In 23 other patiets who received suxamethonium 1.0 mg kg-1 followed by pancuronium 0.05 mg kg-1, pancuronium was detected in fetal blood 2 min after injection; the concentration of pancuronium in umbilical venous or arterial samples in 14 subjects was 0.08 micrograms ml-1, and less than 0.05 micrograms ml-1 in nine subjects. There was no evidence that such concentrations of pancuronium were detrimental to the fetus. The use of suxamethonium before pancuronium resulted in reduction of pancuronium dosage, induction-delivery time, and fetal concentrations of pancuronium, and was associated with better condition of the neonate.