Prolonged QRS, QT interval, torsade, other arrhythmias. Helps prevent the development of arrhythmias. Recent data indicates that hyperventilation may also be effective. Lidocaine can be used for arrhythmias as well. Diazepam 5 to 10 mg IV titrating to control agitation.
Seizures are usually brief and self-limited.
Treat as per seizure section . Norepinephrine is the vasopressor of choice. Dopamine may give a paradoxical hypotension. This misdiagnosis is particularly common in the elderly.