• Class- Antidote 
• Description- Calcium chloride increases myocardial contractile force and increases ventricular automaticity.
• Indications-Hyperkalemia, hypocalcemia, hypermagnesemia, and calcium channel blocker toxicity.
• Contraindications-Ventricular fibrillation, hypercalcemia, and possible digitalis toxicity.
• Precautions- It may precipitate toxicity in patients taking digoxin. Ensure the IV line is in a large vein and flushed before using and after calcium
• Dosing Adult 

Bradycardia of Suspected Hyperkalemia  

Adult: 1G IV, IO over 5-10mins

Cardiac Arrest of Suspected Hyperkalemia

Adult: 1G IV IO

Hyperkalemia

 Adult: 1G IV/IO may repeat after 5 mins