Which drug is considered the most useful in treating childhood cardiac arrest?

A) Bretylium tosylate (Bretylium)
B) Lidocaine hydrochloride (Lidocaine)
C) Epinephrine hydrochloride (Adrenaline)
D) Naloxone (Narcan)

Cardiac Arrest

A sudden loss of heart function, breathing, and consciousness, typically resulting from an electrical disturbance in the heart.

Epinephrine Hydrochloride

A medication used to treat severe allergic reactions; it's a form of adrenaline in a hydrochloride salt form.

Bretylium Tosylate

A medication previously used to treat ventricular arrhythmias but is not commonly utilized due to its side effects and availability of better alternatives.