Children like adults are at a high risk of cardiac arrest these days so utmost precaution needs to be taken in order to prevent it from occurring or certain life-saving techniques should be employed so that the child can be stabilized until the arrival of a doctor or proper medical services if he or she is struck with a sudden cardiac arrest. So here's a lowdown on certain causes which can lead to a cardiac arrest in a child:    Bronchospasm-   During this condition, a spasm occurs in the bronchial smooth  muscles leading to the narrowing of the bronchi.    Burns-   A child may get severely burnt accidentally which can lead to the  occurrence of a  sudden cardiac arrest in him.    Congenital  Cardiac Abnormalities-   A congenital heart disease refers to an abnormal structure of the  heart which may be present in the child from the time of his birth  which eventually can lead to a cardiac arrest depending on the  specific type of problem that the child might be having. In these  c...