• Trade – Cardizem 
• Class – Calcium channel Blocker ( class IV antiarrhythmic) 
• MOA – Blocks Calcium from moving into the heart muscle cell, which prolongs the conduction of electrical impulses through the AV node 
• Indication – Rapid atrial fibrillation 
• Contraindications – Hypotension, Heart block, heart failure 
• Side effects – Flushing, headache, bradycardia, hypotension, heart block, myocardial depression, severe AV block, at high doses cardiac arrest 
• Dosing 

Adult: 0.25mg/kg IV/IO 2nd dose of 0.35mg/kg IV/IO

Pediatric: Not recommended