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Table 2 Studies of clinical practice

From: Current practices in managing acutely disturbed patients at three hospitals in Rio de Janeiro-Brazil: a prevalence study

  Ratio of means of administration IV : IM Drug of choice Frequency of use mean dose in mg (range) Second injection Complications / comments
UK 1992[3] 1:1 Diazepam (Most frequent) 27 (10–80) 26% 1 hypotension
   Haloperidol 22 (10–60)   1 cardiorespitory arrest (60 mg haloperidol + 80 mg DZ)
   Chlorpromazine I 162 (50–400)   1 tachycardia, 1 hypotension
   Droperidol I 14 (10–20) 26%  
   Paraldehyde I    1 respiratory distress
   Amytal     
   Lorazepam    
   Nitrazepam (Least frequent)    
France 1999[10] 0:80 Loxapine 80% 200 mg 6% 2 with acute dystonia
   Droperidol 5%    
   Chlorazepate 5%    Mostly people with substance abuse (study in General Emergency Room)
   Cyamemazine    6%  
   Diazepam < 2%    
   Sultopride     
   Meprobamate