Final answer:
Pediatric cardiac arrest is typically caused by hypovolemia resulting from respiratory failure and/or shock. Hypovolemic shock in children is commonly caused by fluid losses related to severe vomiting or diarrhea.
Step-by-step explanation:
Pediatric cardiac arrest is typically the result of hypovolemia resulting from respiratory failure and/or shock. Hypovolemic shock in children is commonly caused by fluid losses related to severe vomiting or diarrhea. Other causes include extensive burns, exposure to toxins, and excessive urine loss related to medical conditions such as diabetes insipidus or ketoacidosis.