What is the main indication for the administration of Calcium Chloride?

Calcium Chloride is primarily indicated for the treatment of hyperkalemia, which is an elevated level of potassium in the blood. In cases of hyperkalemia, increased potassium can disrupt normal cardiac function, leading to dangerous arrhythmias or even cardiac arrest. Administering Calcium Chloride helps stabilize the cardiac membranes, counteracting the effects of high potassium, thus protecting the heart while other treatments for hyperkalemia, such as insulin or hemodialysis, are implemented.

This use is particularly important in emergency situations where immediate action is required to protect the heart’s electrical activity. By providing calcium, Calcium Chloride can raise the threshold at which the heart's cells become depolarized, mitigating the risk of arrhythmias caused by elevated potassium levels. This mechanism makes it a vital intervention in the management of patients presenting with critically high potassium levels.