Prevalence Causes Clinical features Investigations Therapy Prognosis

Therapy Watch for side-effects of medication - they are common, so monitor patients continuously. a   Note: Hypoventilation occurs in ~ 10% to 15%, hypotension in ~ 30% to 60%, cardiac rhythm disturbance in ~ 5% to 9%. a

Expiry date: September 2004
Levels of Evidence used in grading these guides