Diltiazem HCl
Antidysrhythmic (Calcium channel antagonists)
Indications:
• Supraventricular tachydysrhythmias (Especially A-fib and A-flutter)
Actions:
• Calcium channel antagonist
• Slows conduction
• Smooth muscle dilation
Dosage:
• 15 – 20mg (0.25 mg/kg) over 2 minutes, may repeat with 25mg (0.35mg/kg) IVP in 15
minutes if needed
• Infusion: Mix 1:1 (eg: 125mg/100mL) (1 mg/mL) infuse at 5 – 15mg/hr
Route:
• IV push slowly and IV infusion
Side effects:
• Bradycardia, hypotension (Do not use in patient with WPW history)
• Note: Reverse calcium channel blocker adverse effects with calcium administration
