Cardiac toxicity caused by hyperkalemia.
Symptomatic calcium channel blocker overdose**
Magnesium Sulfate overdose.***
Digitalis toxicity, hypercalcemia, ventricular fibrillation
None commonly
Potentially Lethal Side Effects:
Cardiac arrest, coma
Calcium Chloride 10% IV: 10-20 ml/5min slow push
Calcium Chloride 10% 20mg/kg/10min slow push
** Signs and symptoms of symptomatic calcium channel blocker overdose are bradycardia, conduction delays, hypotension, lethargy, slurred speech, nausea/vomiting.
*** When used as an antagonist to Magnesium Sulfate overdose, initial dose may be repeated after 10 minutes of no response to initial dose.
! Never mix Calcium Chloride with Sodium Bicarbonate, as a precipitate will form.
- Calcium Channel Blockers include the following drugs: Verapamil, Cardizem, Nifedipine, Nicardipine, Nimodipine, Felodipine, Amiodipine, Bepridil, Flunarizine, Isradipine, Nisoldipine, Nitrendipine.