“…Oxygen, suction facilities, Ambu‐bag and mask, equipment for intubation, and drugs for resuscitation were always available 13 . Blood pressure was measured every 5 min, and oxygen saturation was continuously monitored by pulse oximetry 33 . Ketamine hydrochloride (100 mg/mL formulation) was injected intramuscularly into gluteus maximus or vasta lateralis, at a dose of 2 mg/kg for children older than 7 years, and 3 mg/kg for children younger than 7 years.…”