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Table 2 Atypical overdose presentations at a supervised injection site, Vancouver, Canada (2016–17)

From: Rigidity, dyskinesia and other atypical overdose presentations observed at a supervised injection site, Vancouver, Canada

Atypical overdose presentation Number of cases Percentage of total atypical overdose presentations Percentage of total overdose presentations
Muscle rigidity 240 48.30% 15.2%
Dyskinesia 150 30.2% 9.5%
Low or irregular heart rate 69 13.9% 4.4%
Confusion or delirium 24 4.80% 1.5%
Anisocoria 2 0.40% 0.1%
Other 12 2.4% 0.8%