Ketamine has been recently considered safe in this situation, as long as it is administered with a hypnotic agent and at moderate doses 0.6-1 mg/kg, as a slow intravenous bolus.
La quetamina recientemente se ha visto que resulta segura en este contexto, siempre y cuando se utilice con un hipnótico y en dosis moderadas 0,6 a 1 mg/kg, en bolo intravenoso lento.