Role of IV Calcium to Prevent Diltiazem-related Hypotension

The Diltiazem monotherapy group received 6.66 mL of IV sodium chloride 0.9% (NaCl) prior to receiving IV weight-adjusted diltiazem.

The Diltiazem with 90 mg calcium group received 3.33 mL of IV calcium chloride (CaCl2, 90 mg) and 3.33 mL of IV NaCl 0.9% as pretreatment over 5-10 min prior to receiving IV diltiazem.

The Diltiazem with 180 mg calcium group received 6.66 mL of IV CaCl2 (180 mg) as pretreatment prior to receiving IV diltiazem.