Describe the conditions that most often cause cardiac arrest in children an infants?

Respiratory failure: Infants & children generally experience cardiac arrest after a period of declining respiratory function. In illnesses like asthma, progessive pneumonia, bronchiolitis etc., effective oxygen exchange begins to fail, the child works harder until they are exhausted and give out. At some point, the heart develops a rhythm disturmance & quits pumping.Drowning or trauma+ lung compromize will also do it.

Cardiac arrest : Cardiac arrest in children is extremely uncommon in children, but we tend to see occasionally. Causes includes severe dehydration and shock, severe infection and congenital heart disease.