Shock, bradycardia and irregular breathing are important predictive signs, and severe malaria with respiratory distress is a common cause of hypoxaemia.
休克、心动过缓和呼吸不规则是重要的预示性症状，伴有呼吸窘迫的严重疟疾是低血氧症的常见原因。
2
The cause of death was concluded to be severe hypotension, bradycardia and cardiac failure due to combined intoxication with verapamil, metoprolol and digoxin.